/*
Theme Name: QuizMaster Pro
Theme URI: https://quizmasterpro.com
Author: QuizMaster Team
Description: A comprehensive quiz platform WordPress theme for competitive exam preparation (UPSC, Banking, SSC, Railway, PSC) with gamification, AI features, leaderboards and monetization.
Version: 1.0.0
License: GNU General Public License v2 or later
Text Domain: quizmaster-pro
Tags: quiz, education, gamification, leaderboard, competitive-exams
*/

/* ============================================================
   CSS VARIABLES
   ============================================================ */
:root {
    /* Brand */
    --qm-primary:        #1a237e;
    --qm-primary-light:  #3949ab;
    --qm-primary-dark:   #0d1642;
    --qm-secondary:      #ff6f00;
    --qm-secondary-light:#ff9800;

    /* Semantic */
    --qm-success:  #4caf50;
    --qm-danger:   #e53935;
    --qm-warning:  #ff9800;
    --qm-info:     #1e88e5;
    --qm-gold:     #ffd700;

    /* Backgrounds */
    --qm-bg:       #f0f2f8;
    --qm-bg-card:  #ffffff;
    --qm-bg-dark:  #1a1a2e;

    /* Text */
    --qm-text:     #212121;
    --qm-text-sec: #616161;
    --qm-text-mut: #9e9e9e;

    /* Borders & radius */
    --qm-border:   #e0e0e0;
    --qm-radius:   8px;
    --qm-radius-lg:16px;
    --qm-radius-xl:24px;
    --qm-radius-pill:50px;

    /* Shadows */
    --qm-shadow-sm: 0 1px 3px rgba(0,0,0,.08);
    --qm-shadow-md: 0 4px 12px rgba(0,0,0,.10);
    --qm-shadow-lg: 0 8px 24px rgba(0,0,0,.12);

    /* Legacy aliases (some inline styles use these) */
    --color-primary:   #1a237e;
    --color-secondary: #ff6f00;
    --color-success:   #4caf50;
    --color-danger:    #e53935;
    --color-warning:   #ff9800;
    --bg-primary:      #f0f2f8;
    --bg-white:        #ffffff;
    --text-primary:    #212121;
    --text-secondary:  #616161;
    --text-muted:      #9e9e9e;
    --border-color:    #e0e0e0;
    --border-radius:   8px;
    --border-radius-lg:16px;
    --shadow-sm:       0 1px 3px rgba(0,0,0,.08);
    --shadow-md:       0 4px 12px rgba(0,0,0,.10);

    /* Aliases used in inline template styles */
    --qm-accent:     #ff6f00;
    --qm-card:       #ffffff;
    --qm-shadow:     0 4px 12px rgba(0,0,0,.10);
}


/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
    font-family: Arial, 'Helvetica Neue', Helvetica, sans-serif;
    background: var(--qm-bg);
    color: var(--qm-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--qm-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; height: auto; display: block; }

h1,h2,h3,h4,h5,h6 { font-weight: 700; line-height: 1.3; color: var(--qm-text); }

ul, ol { list-style: none; }

input, select, textarea, button { font-family: inherit; font-size: inherit; }

/* ============================================================
   LAYOUT
   ============================================================ */
.qm-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.qm-page-wrap {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.qm-main-content {
    flex: 1;
    padding: 32px 0 60px;
}

.qm-row {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.qm-col { flex: 1; min-width: 0; }

/* ============================================================
   HEADER
   ============================================================ */
.qm-header {
    background: var(--qm-primary);
    color: #fff;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 8px rgba(0,0,0,.2);
}

.qm-header-inner {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 0 20px;
    height: 64px;
    max-width: 1200px;
    margin: 0 auto;
}

.qm-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    font-size: 1.3rem;
    font-weight: 800;
    text-decoration: none;
    flex-shrink: 0;
}

.qm-logo i { color: var(--qm-secondary); font-size: 1.5rem; }
.qm-logo:hover { text-decoration: none; color: #fff; }

.qm-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    flex: 1;
}

.qm-nav a {
    color: rgba(255,255,255,.8);
    padding: 8px 14px;
    border-radius: var(--qm-radius);
    font-size: 14px;
    font-weight: 500;
    transition: .15s;
    text-decoration: none;
}

.qm-nav a:hover,
.qm-nav a.active {
    background: rgba(255,255,255,.15);
    color: #fff;
    text-decoration: none;
}

.qm-header-right {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: auto;
}

/* Stats bar in header */
.qm-header-stats {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 13px;
}

.qm-header-stat {
    display: flex;
    align-items: center;
    gap: 5px;
    color: rgba(255,255,255,.85);
    background: rgba(255,255,255,.1);
    padding: 5px 10px;
    border-radius: var(--qm-radius-pill);
}

.qm-header-stat i { color: var(--qm-secondary); }

/* Notification bell */
.qm-notif-wrap { position: relative; }

.qm-notif-bell {
    background: rgba(255,255,255,.1);
    border: none;
    color: #fff;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 16px;
    transition: .15s;
    position: relative;
}

.qm-notif-bell:hover { background: rgba(255,255,255,.2); }

#qmNotifBadge {
    position: absolute;
    top: -2px;
    right: -2px;
    background: var(--qm-danger);
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: none;
    align-items: center;
    justify-content: center;
}

.qm-notif-panel {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    width: 320px;
    background: var(--qm-bg-card);
    border-radius: var(--qm-radius-lg);
    box-shadow: var(--qm-shadow-lg);
    border: 1px solid var(--qm-border);
    display: none;
    z-index: 200;
}

.qm-notif-panel.open { display: block; }

.qm-notif-panel-header {
    padding: 14px 16px;
    border-bottom: 1px solid var(--qm-border);
    font-weight: 700;
    font-size: 14px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.qm-notif-list { max-height: 340px; overflow-y: auto; }

.qm-notif-item {
    display: flex;
    gap: 12px;
    padding: 12px 16px;
    border-bottom: 1px solid #f5f5f5;
    font-size: 13px;
    transition: .15s;
}

.qm-notif-item:hover { background: #f9f9ff; }
.qm-notif-item.unread { background: #e8eaf6; }

.qm-notif-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 15px;
    background: #e8eaf6;
    color: var(--qm-primary);
}

.qm-notif-body p { font-size: 13px; line-height: 1.5; margin-bottom: 2px; }
.qm-notif-body small { color: var(--qm-text-mut); font-size: 11px; }

.qm-notif-empty { padding: 32px; text-align: center; color: var(--qm-text-mut); font-size: 13px; }
.qm-notif-empty i { font-size: 28px; display: block; margin-bottom: 8px; }

/* User dropdown */
.qm-user-menu { position: relative; }

.qm-user-trigger {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,.1);
    border: none;
    color: #fff;
    padding: 6px 12px;
    border-radius: var(--qm-radius-pill);
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    transition: .15s;
}

.qm-user-trigger:hover { background: rgba(255,255,255,.2); }

.qm-user-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid rgba(255,255,255,.3);
    background: var(--qm-primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 12px;
    color: #fff;
}

.qm-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 200px;
    background: var(--qm-bg-card);
    border-radius: var(--qm-radius-lg);
    box-shadow: var(--qm-shadow-lg);
    border: 1px solid var(--qm-border);
    display: none;
    overflow: hidden;
    z-index: 200;
}

.qm-dropdown.open { display: block; }

.qm-dropdown a, .qm-dropdown button {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 16px;
    font-size: 13px;
    color: var(--qm-text);
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    cursor: pointer;
    transition: .15s;
    text-decoration: none;
}

.qm-dropdown a:hover, .qm-dropdown button:hover {
    background: #f5f7ff;
    color: var(--qm-primary);
    text-decoration: none;
}

.qm-dropdown a i, .qm-dropdown button i { width: 16px; color: var(--qm-text-sec); }
.qm-dropdown-divider { height: 1px; background: var(--qm-border); margin: 4px 0; }

/* Hamburger */
.qm-hamburger {
    display: none;
    background: none;
    border: none;
    color: #fff;
    font-size: 22px;
    cursor: pointer;
    padding: 4px;
}

/* Mobile Nav */
.qm-mobile-nav {
    display: none;
    position: fixed;
    top: 0;
    left: -280px;
    width: 280px;
    height: 100vh;
    background: var(--qm-primary-dark);
    z-index: 9999;
    overflow-y: auto;
    transition: left .3s ease;
    padding: 20px 0;
}

.qm-mobile-nav.open { left: 0; }

.qm-mobile-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.5);
    z-index: 9998;
    opacity: 0;
    transition: opacity .3s;
}

.qm-mobile-overlay.visible { opacity: 1; }

.qm-mobile-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 13px 24px;
    color: rgba(255,255,255,.8);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: .15s;
    border-left: 3px solid transparent;
}

.qm-mobile-nav a:hover,
.qm-mobile-nav a.active {
    color: #fff;
    background: rgba(255,255,255,.08);
    border-left-color: var(--qm-secondary);
    text-decoration: none;
}

/* ============================================================
   FOOTER
   ============================================================ */
.qm-footer {
    background: var(--qm-primary-dark);
    color: rgba(255,255,255,.6);
    padding: 0;
    margin-top: auto;
    font-size: 12px;
}
}

/* ============================================================
   BUTTONS
   ============================================================ */
.qm-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--qm-radius);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all .15s;
    text-decoration: none;
    white-space: nowrap;
    line-height: 1;
}

.qm-btn:hover { text-decoration: none; transform: translateY(-1px); }
.qm-btn:active { transform: translateY(0); }
.qm-btn:disabled { opacity: .6; cursor: not-allowed; transform: none; }

.qm-btn--primary   { background: var(--qm-primary); color: #fff; border-color: var(--qm-primary); }
.qm-btn--primary:hover { background: var(--qm-primary-light); border-color: var(--qm-primary-light); color: #fff; }

.qm-btn--secondary { background: var(--qm-secondary); color: #fff; border-color: var(--qm-secondary); }
.qm-btn--secondary:hover { background: #e65100; border-color: #e65100; color: #fff; }

.qm-btn--outline   { background: transparent; color: var(--qm-primary); border-color: var(--qm-primary); }
.qm-btn--outline:hover { background: var(--qm-primary); color: #fff; }

.qm-btn--danger    { background: var(--qm-danger); color: #fff; border-color: var(--qm-danger); }
.qm-btn--danger:hover { background: #c62828; color: #fff; }

.qm-btn--ghost     { background: rgba(255,255,255,.15); color: #fff; border-color: rgba(255,255,255,.3); }
.qm-btn--ghost:hover { background: rgba(255,255,255,.25); color: #fff; }

.qm-btn--sm  { padding: 7px 14px; font-size: 13px; }
.qm-btn--lg  { padding: 13px 28px; font-size: 16px; }
.qm-btn--xs  { padding: 4px 10px; font-size: 12px; }
.qm-btn--full { width: 100%; }

/* Alias for templates that use old class names */
.qm-btn-primary  { background: var(--qm-primary); color: #fff; border-color: var(--qm-primary); }
.qm-btn-outline  { background: transparent; color: var(--qm-primary); border-color: var(--qm-primary); }
.qm-btn-secondary{ background: var(--qm-secondary); color: #fff; border-color: var(--qm-secondary); }
.qm-btn-sm       { padding: 7px 14px; font-size: 13px; }

/* ============================================================
   CARDS
   ============================================================ */
.qm-card {
    background: var(--qm-bg-card);
    border-radius: var(--qm-radius-lg);
    border: 1.5px solid var(--qm-border);
    box-shadow: var(--qm-shadow-sm);
    overflow: hidden;
}

.qm-card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--qm-border);
    font-weight: 700;
    font-size: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.qm-card-body  { padding: 20px; }
.qm-card-footer{ padding: 14px 20px; border-top: 1px solid var(--qm-border); background: #fafafa; }

/* ============================================================
   FORMS
   ============================================================ */
.qm-form-group { margin-bottom: 18px; }

.qm-form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--qm-text-sec);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: .04em;
}

.qm-input,
.qm-select,
.qm-textarea {
    width: 100%;
    padding: 11px 14px;
    border: 1.5px solid var(--qm-border);
    border-radius: var(--qm-radius);
    font-size: 14px;
    color: var(--qm-text);
    background: #fff;
    transition: border-color .15s, box-shadow .15s;
    box-sizing: border-box;
}

.qm-input:focus,
.qm-select:focus,
.qm-textarea:focus {
    outline: none;
    border-color: var(--qm-primary);
    box-shadow: 0 0 0 3px rgba(26,35,126,.1);
}

.qm-textarea { resize: vertical; min-height: 100px; }

.qm-input-wrap { position: relative; }
.qm-input-wrap .qm-input { padding-left: 40px; }
.qm-input-wrap i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--qm-text-mut);
    font-size: 16px;
}

.qm-eye-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--qm-text-mut);
    font-size: 16px;
    padding: 0;
}

.qm-form-error {
    background: #fce4e4;
    border: 1px solid #ef9a9a;
    color: #b71c1c;
    padding: 10px 14px;
    border-radius: var(--qm-radius);
    font-size: 13px;
    margin-bottom: 14px;
}

.qm-form-success {
    background: #e8f5e9;
    border: 1px solid #a5d6a7;
    color: #1b5e20;
    padding: 10px 14px;
    border-radius: var(--qm-radius);
    font-size: 13px;
    margin-bottom: 14px;
}

/* Password strength */
.qm-strength-bar-wrap {
    height: 4px;
    background: var(--qm-border);
    border-radius: 2px;
    margin-top: 6px;
    overflow: hidden;
}

#qmPasswordStrength {
    height: 4px;
    width: 0;
    border-radius: 2px;
    transition: width .3s, background .3s;
}

/* OTP inputs */
.qm-otp-group { display: flex; gap: 10px; justify-content: center; margin: 16px 0; }

.qm-otp-group input[data-otp] {
    width: 48px;
    height: 52px;
    text-align: center;
    font-size: 22px;
    font-weight: 700;
    border: 2px solid var(--qm-border);
    border-radius: var(--qm-radius);
    background: #fff;
    transition: .15s;
}

.qm-otp-group input[data-otp]:focus {
    border-color: var(--qm-primary);
    box-shadow: 0 0 0 3px rgba(26,35,126,.1);
    outline: none;
}

/* ============================================================
   BADGES & PILLS
   ============================================================ */
.qm-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: var(--qm-radius-pill);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .03em;
}

.qm-badge-pro     { background: #ff6f00; color: #fff; }
.qm-badge-free    { background: #e8eaf6; color: #666; }
.qm-badge-new     { background: #e8f5e9; color: #2e7d32; }
.qm-badge-hot     { background: #fce4e4; color: #b71c1c; }

/* difficulty */
.qm-diff--easy, .qm-diff-easy   { color: #2e7d32; font-weight: 700; font-size: 12px; }
.qm-diff--medium,.qm-diff-medium{ color: #e65100; font-weight: 700; font-size: 12px; }
.qm-diff--hard,  .qm-diff-hard  { color: #b71c1c; font-weight: 700; font-size: 12px; }

/* ============================================================
   CHIPS (filter pills)
   ============================================================ */
.qm-chips-label {
    font-size: 12px;
    font-weight: 700;
    color: var(--qm-text-sec);
    text-transform: uppercase;
    letter-spacing: .05em;
    margin-right: 8px;
    white-space: nowrap;
}

.qm-subject-chips,
.qm-exam-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

.qm-chip {
    padding: 5px 14px;
    border-radius: var(--qm-radius-pill);
    font-size: 13px;
    font-weight: 500;
    background: #fff;
    border: 1.5px solid var(--qm-border);
    cursor: pointer;
    transition: .15s;
    white-space: nowrap;
    text-decoration: none;
    color: var(--qm-text);
    display: inline-block;
}

.qm-chip:hover,
.qm-chip.active,
.qm-chip-exam.active {
    background: var(--qm-primary);
    border-color: var(--qm-primary);
    color: #fff;
    text-decoration: none;
}

.qm-chip-exam { padding: 5px 14px; border-radius: var(--qm-radius-pill); font-size: 13px; font-weight: 500; background: #fff; border: 1.5px solid var(--qm-border); cursor: pointer; transition: .15s; }

/* ============================================================
   QUIZ CARDS
   ============================================================ */
.qm-quiz-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.qm-quiz-card {
    background: var(--qm-bg-card);
    border-radius: var(--qm-radius-lg);
    border: 1.5px solid var(--qm-border);
    overflow: hidden;
    transition: box-shadow .2s, transform .2s;
    display: flex;
    flex-direction: column;
}

.qm-quiz-card:hover {
    box-shadow: var(--qm-shadow-md);
    transform: translateY(-2px);
}

.qm-quiz-subject {
    padding: 10px 16px;
    font-size: 12px;
    font-weight: 700;
    color: #fff;
    background: var(--qm-primary);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.qm-quiz-title { font-size: 15px; font-weight: 700; padding: 14px 16px 6px; color: var(--qm-text); line-height: 1.4; }
.qm-quiz-desc  { font-size: 13px; color: var(--qm-text-sec); padding: 0 16px 10px; line-height: 1.5; }

.qm-quiz-meta {
    display: flex;
    gap: 14px;
    padding: 0 16px 12px;
    font-size: 12px;
    color: var(--qm-text-sec);
    flex-wrap: wrap;
}

.qm-quiz-meta span { display: flex; align-items: center; gap: 4px; }
.qm-quiz-meta i { color: var(--qm-primary); }

.qm-quiz-card-footer {
    margin-top: auto;
    padding: 12px 16px;
    border-top: 1px solid var(--qm-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
}

.qm-quiz-premium-badge {
    font-size: 11px;
    font-weight: 700;
    background: #fff3e0;
    color: #e65100;
    padding: 3px 8px;
    border-radius: var(--qm-radius-pill);
    display: flex;
    align-items: center;
    gap: 4px;
}

.qm-locked { position: relative; }
.qm-locked::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255,255,255,.6);
    border-radius: var(--qm-radius-lg);
}

/* ============================================================
   FILTER BAR
   ============================================================ */
.qm-filter-bar {
    background: var(--qm-bg-card);
    border-radius: var(--qm-radius-lg);
    border: 1.5px solid var(--qm-border);
    padding: 16px 20px;
    margin-bottom: 20px;
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    align-items: center;
}

.qm-search-input {
    flex: 1;
    min-width: 200px;
    padding: 9px 14px 9px 38px;
    border: 1.5px solid var(--qm-border);
    border-radius: var(--qm-radius);
    font-size: 14px;
    background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%239e9e9e' viewBox='0 0 16 16'%3E%3Cpath d='M11.742 10.344a6.5 6.5 0 1 0-1.397 1.398h-.001c.03.04.062.078.098.115l3.85 3.85a1 1 0 0 0 1.415-1.414l-3.85-3.85a1.007 1.007 0 0 0-.115-.099zm-5.44 1.406a5.5 5.5 0 1 1 0-11 5.5 5.5 0 0 1 0 11z'/%3E%3C/svg%3E") no-repeat 12px center;
    transition: .15s;
}

.qm-search-input:focus {
    outline: none;
    border-color: var(--qm-primary);
    box-shadow: 0 0 0 3px rgba(26,35,126,.08);
}

.qm-select {
    padding: 9px 14px;
    border: 1.5px solid var(--qm-border);
    border-radius: var(--qm-radius);
    font-size: 14px;
    background: #fff;
    cursor: pointer;
}

/* ============================================================
   PAGE HEADER
   ============================================================ */
.qm-page-header {
    background: linear-gradient(135deg, var(--qm-primary) 0%, var(--qm-primary-light) 100%);
    color: #fff;
    padding: 32px 0;
    margin-bottom: 28px;
}

.qm-page-header h1 { font-size: 1.8rem; font-weight: 800; margin-bottom: 6px; color: #fff; }
.qm-page-header p  { font-size: 15px; opacity: .85; }

/* ============================================================
   QUIZ LIST PAGE
   ============================================================ */
.qm-quiz-list-page { padding: 0 0 60px; }

/* ============================================================
   LEADERBOARD
   ============================================================ */
.qm-leaderboard-tabs {
    display: flex;
    gap: 6px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.qm-tab-btn {
    padding: 8px 18px;
    border-radius: var(--qm-radius-pill);
    border: 1.5px solid var(--qm-border);
    background: #fff;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: .15s;
    color: var(--qm-text-sec);
}

.qm-tab-btn:hover,
.qm-tab-btn.active {
    background: var(--qm-primary);
    border-color: var(--qm-primary);
    color: #fff;
}

/* ============================================================
   PROFILE
   ============================================================ */
.qm-profile-layout {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 24px;
    align-items: start;
}

.qm-profile-tabs { display: flex; gap: 4px; margin-bottom: 20px; flex-wrap: wrap; }

.qm-profile-tab {
    padding: 9px 18px;
    border-radius: var(--qm-radius-pill);
    border: 1.5px solid var(--qm-border);
    background: #fff;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: .15s;
    color: var(--qm-text-sec);
}

.qm-profile-tab:hover,
.qm-profile-tab.active {
    background: var(--qm-primary);
    border-color: var(--qm-primary);
    color: #fff;
}

/* ============================================================
   SUBSCRIPTION / PRICING
   ============================================================ */
.qm-plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    max-width: 900px;
    margin: 0 auto 48px;
}

.qm-plan-card {
    background: var(--qm-bg-card);
    border-radius: var(--qm-radius-xl);
    border: 2px solid var(--qm-border);
    padding: 32px 28px;
    position: relative;
    transition: .2s;
}

.qm-plan-card:hover { box-shadow: var(--qm-shadow-lg); transform: translateY(-4px); }
.qm-plan-card--popular { border-color: var(--qm-primary); }
.qm-plan-popular-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--qm-secondary);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    padding: 4px 18px;
    border-radius: var(--qm-radius-pill);
    white-space: nowrap;
}

.qm-plan-price { font-size: 2.4rem; font-weight: 900; color: var(--qm-primary); margin: 16px 0 4px; }
.qm-plan-price span { font-size: 1rem; font-weight: 400; color: var(--qm-text-sec); }

.qm-plan-features { list-style: none; margin: 20px 0 28px; }
.qm-plan-features li { display: flex; align-items: center; gap: 10px; padding: 7px 0; font-size: 14px; border-bottom: 1px solid #f5f5f5; }
.qm-plan-features li i { color: var(--qm-success); font-size: 15px; }
.qm-plan-features li.disabled { color: var(--qm-text-mut); }
.qm-plan-features li.disabled i { color: var(--qm-border); }

/* ============================================================
   AUTH PAGES
   ============================================================ */
.qm-auth-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0d1642 0%, #1a237e 100%);
    padding: 40px 20px;
}

.qm-auth-box {
    background: #fff;
    border-radius: var(--qm-radius-xl);
    width: 100%;
    max-width: 460px;
    box-shadow: var(--qm-shadow-lg);
    overflow: hidden;
}

.qm-auth-tabs {
    display: flex;
    border-bottom: 2px solid var(--qm-border);
}

.qm-auth-tab {
    flex: 1;
    padding: 16px;
    background: none;
    border: none;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    color: var(--qm-text-sec);
    transition: .15s;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
}

.qm-auth-tab.active {
    color: var(--qm-primary);
    border-bottom-color: var(--qm-primary);
}

.qm-auth-panel { display: none; padding: 28px; }
.qm-auth-panel.active { display: block; }

/* ============================================================
   SPINNER / LOADING
   ============================================================ */
.qm-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--qm-border);
    border-top-color: var(--qm-primary);
    border-radius: 50%;
    animation: qmSpin 0.7s linear infinite;
}

.qm-spinner-center {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 48px;
}

@keyframes qmSpin { to { transform: rotate(360deg); } }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.5} }

/* ============================================================
   EMPTY STATE
   ============================================================ */
.qm-empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--qm-text-sec);
}

.qm-empty-state i { font-size: 48px; color: var(--qm-border); display: block; margin-bottom: 16px; }
.qm-empty-state h3 { font-size: 1.1rem; margin-bottom: 8px; }
.qm-empty-state p  { font-size: 14px; color: var(--qm-text-mut); margin-bottom: 20px; }

/* ============================================================
   PAGINATION
   ============================================================ */
.qm-pagination {
    display: flex;
    justify-content: center;
    gap: 6px;
    padding: 24px 0;
    flex-wrap: wrap;
}

.qm-page-btn {
    width: 38px;
    height: 38px;
    border-radius: var(--qm-radius);
    border: 1.5px solid var(--qm-border);
    background: #fff;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: .15s;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--qm-text);
}

.qm-page-btn:hover,
.qm-page-btn.active {
    background: var(--qm-primary);
    border-color: var(--qm-primary);
    color: #fff;
}

/* ============================================================
   ALERTS
   ============================================================ */
.qm-alert {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 16px;
    border-radius: var(--qm-radius);
    font-size: 13px;
    margin-bottom: 14px;
    line-height: 1.5;
}

.qm-alert--success { background: #e8f5e9; border: 1px solid #a5d6a7; color: #1b5e20; }
.qm-alert--error   { background: #fce4e4; border: 1px solid #ef9a9a; color: #b71c1c; }
.qm-alert--warning { background: #fff9c4; border: 1px solid #ffe082; color: #856404; }
.qm-alert--info    { background: #e3f2fd; border: 1px solid #90caf9; color: #0d47a1; }

/* ============================================================
   QUIZ PLAY PAGE
   ============================================================ */
.qm-quiz-play-page { background: var(--qm-bg); min-height: 100vh; }
.qm-quiz-play-wrap { max-width: 860px; margin: 0 auto; padding: 24px 20px 60px; }

/* ============================================================
   TABLES
   ============================================================ */
.qm-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.qm-table th { padding: 12px 16px; background: #f5f7ff; font-weight: 700; text-align: left; border-bottom: 2px solid var(--qm-border); color: var(--qm-text-sec); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
.qm-table td { padding: 12px 16px; border-bottom: 1px solid #f5f5f5; }
.qm-table tr:hover td { background: #fafbff; }
.qm-table-wrapper { overflow-x: auto; border-radius: var(--qm-radius-lg); border: 1px solid var(--qm-border); }

/* ============================================================
   MODAL
   ============================================================ */
.qm-modal {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
}

.qm-modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,.5);
}

.qm-modal-box {
    position: relative;
    background: #fff;
    border-radius: var(--qm-radius-xl);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--qm-shadow-lg);
    z-index: 1;
}

.qm-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--qm-border);
    position: sticky;
    top: 0;
    background: #fff;
    z-index: 1;
}

.qm-modal-header h3 { font-size: 16px; font-weight: 700; }

.qm-modal-close {
    background: none;
    border: none;
    font-size: 22px;
    cursor: pointer;
    color: var(--qm-text-sec);
    line-height: 1;
    padding: 0;
}

.qm-modal-body   { padding: 20px; }
.qm-modal-footer { padding: 14px 20px; border-top: 1px solid var(--qm-border); display: flex; gap: 10px; justify-content: flex-end; }

/* ============================================================
   TOAST
   ============================================================ */
.qm-toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 99999;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* ============================================================
   PROGRESS BAR
   ============================================================ */
.qm-progress { height: 8px; background: var(--qm-border); border-radius: 4px; overflow: hidden; }
.qm-progress-bar { height: 8px; background: var(--qm-primary); border-radius: 4px; transition: width .4s ease; }

/* ============================================================
   SIDEBAR (used in profile, admin)
   ============================================================ */
.qm-sidebar {
    background: var(--qm-bg-card);
    border-radius: var(--qm-radius-lg);
    border: 1.5px solid var(--qm-border);
    overflow: hidden;
}

/* ============================================================
   SUCCESS MESSAGE (auth)
   ============================================================ */
.qm-success-msg {
    text-align: center;
    padding: 32px 20px;
}

.qm-success-msg i { font-size: 48px; color: var(--qm-success); display: block; margin-bottom: 16px; }
.qm-success-msg h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 8px; }
.qm-success-msg p  { font-size: 14px; color: var(--qm-text-sec); margin-bottom: 20px; }

/* ============================================================
   HIDDEN UTILITY
   ============================================================ */
.hidden { display: none !important; }
.qm-text-muted { color: var(--qm-text-mut); }
.qm-text-center { text-align: center; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
    .qm-nav { display: none; }
    .qm-hamburger { display: flex; }
    .qm-mobile-nav { display: block; }
    .qm-header-stats { display: none; }
    .qm-profile-layout { grid-template-columns: 1fr; }
    .qm-quiz-grid { grid-template-columns: 1fr; }
    .qm-plans-grid { grid-template-columns: 1fr; }
    .qm-filter-bar { flex-direction: column; }
    .qm-search-input { min-width: unset; width: 100%; }
    .qm-page-header h1 { font-size: 1.4rem; }
}

@media (max-width: 480px) {
    .qm-container { padding: 0 14px; }
    .qm-btn--lg { padding: 11px 20px; font-size: 14px; }
    .qm-plans-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   FOOTER — compact layout
   ============================================================ */
.qm-ft-top{max-width:1000px;margin:0 auto;padding:20px 20px 14px;display:flex;align-items:flex-start;gap:40px}
.qm-ft-brand{flex-shrink:0;width:180px}
.qm-ft-brand strong{color:#fff;font-size:13px;display:block;margin-bottom:4px}
.qm-ft-brand p{font-size:11px;color:rgba(255,255,255,.35);line-height:1.4}
.qm-ft-nav{display:flex;flex:1;gap:0;justify-content:space-between}
.qm-ft-nav h4{color:rgba(255,255,255,.6);font-size:10px;font-weight:700;margin-bottom:6px;text-transform:uppercase;letter-spacing:.05em}
.qm-ft-nav a{display:block;color:rgba(255,255,255,.4);font-size:11px;padding:2px 0;text-decoration:none;transition:.15s}
.qm-ft-nav a:hover{color:#fff;text-decoration:none}
.qm-ft-pay{max-width:1000px;margin:0 auto;display:flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;border-top:1px solid rgba(255,255,255,.06)}
.qm-ft-pay-label{font-size:10px;font-weight:700;color:rgba(255,255,255,.3);text-transform:uppercase;letter-spacing:.05em;display:flex;align-items:center;gap:4px;margin-right:4px;flex-shrink:0}
.qm-ft-pay svg{opacity:.75;border-radius:3px;flex-shrink:0}
.qm-ft-pay svg:hover{opacity:1}
.qm-ft-copy{text-align:center;padding:10px 20px;border-top:1px solid rgba(255,255,255,.06);font-size:11px;color:rgba(255,255,255,.3)}
.qm-ft-copy a{color:rgba(255,255,255,.4);text-decoration:none}
.qm-ft-copy a:hover{color:#fff;text-decoration:none}
@media(max-width:768px){
    .qm-ft-top{flex-direction:column;gap:14px;padding:16px}
    .qm-ft-brand{width:100%}
    .qm-ft-nav{flex-wrap:wrap;gap:16px}
    .qm-ft-pay{flex-wrap:wrap}
}

/* ============================================================
   SUBSCRIBE PAGE
   ============================================================ */
.qm-subscribe-page { padding-bottom: 60px; }

.qm-plan-card {
    background: #fff;
    border-radius: var(--qm-radius-xl);
    border: 2px solid var(--qm-border);
    padding: 32px 28px;
    position: relative;
    transition: box-shadow .2s, transform .2s;
    display: flex;
    flex-direction: column;
}

.qm-plan-card.popular,
.qm-plan-card--popular {
    border-color: var(--qm-primary);
    box-shadow: 0 8px 32px rgba(26,35,126,.15);
}

.qm-plan-card:hover {
    box-shadow: 0 12px 36px rgba(0,0,0,.12);
    transform: translateY(-4px);
}

.qm-plan-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--qm-secondary);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    padding: 4px 18px;
    border-radius: var(--qm-radius-pill);
    white-space: nowrap;
}

.qm-badge-green { background: var(--qm-success) !important; }

.qm-plan-name {
    font-size: 1rem;
    font-weight: 700;
    color: var(--qm-text-sec);
    text-transform: uppercase;
    letter-spacing: .08em;
    margin-bottom: 8px;
}

.qm-plan-price {
    display: flex;
    align-items: baseline;
    gap: 4px;
    margin: 12px 0 4px;
}

.qm-plan-currency { font-size: 1.4rem; font-weight: 700; color: var(--qm-primary); }
.qm-plan-amount   { font-size: 2.8rem; font-weight: 900; color: var(--qm-primary); line-height: 1; }
.qm-plan-period   { font-size: 14px; color: var(--qm-text-sec); }

.qm-plan-savings {
    font-size: 12px;
    font-weight: 700;
    color: var(--qm-success);
    background: #e8f5e9;
    padding: 3px 10px;
    border-radius: var(--qm-radius-pill);
    display: inline-block;
    margin-bottom: 16px;
}

.qm-plan-features {
    list-style: none;
    margin: 16px 0 24px;
    flex: 1;
}

.qm-plan-features li {
    padding: 8px 0;
    font-size: 14px;
    border-bottom: 1px solid #f5f5f5;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--qm-text);
}

.qm-plan-features li:last-child { border-bottom: none; }

.qm-btn-full { width: 100%; justify-content: center; }

/* Feature compare table */
.qm-features-compare {
    margin: 48px 0;
    background: #fff;
    border-radius: var(--qm-radius-lg);
    border: 1.5px solid var(--qm-border);
    overflow: hidden;
}

.qm-features-compare h3 {
    padding: 20px 24px;
    font-size: 1.1rem;
    font-weight: 700;
    border-bottom: 1px solid var(--qm-border);
    background: #f5f7ff;
}

.qm-compare-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.qm-compare-table th {
    padding: 12px 16px;
    background: var(--qm-primary);
    color: #fff;
    font-weight: 700;
    text-align: center;
}

.qm-compare-table th:first-child { text-align: left; }

.qm-compare-table td {
    padding: 11px 16px;
    border-bottom: 1px solid #f5f5f5;
    text-align: center;
    color: var(--qm-text-sec);
}

.qm-compare-table td:first-child {
    text-align: left;
    font-weight: 500;
    color: var(--qm-text);
}

.qm-compare-table tr:hover td { background: #f9f9ff; }

/* FAQ */
.qm-subscribe-faq { margin: 40px 0; }
.qm-subscribe-faq h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 20px; text-align: center; }

.qm-faq-item {
    background: #fff;
    border: 1.5px solid var(--qm-border);
    border-radius: var(--qm-radius-lg);
    margin-bottom: 10px;
    overflow: hidden;
}

.qm-faq-item summary {
    padding: 16px 20px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.qm-faq-item summary::-webkit-details-marker { display: none; }
.qm-faq-item[open] summary { border-bottom: 1px solid var(--qm-border); }
.qm-faq-item p { padding: 14px 20px; font-size: 14px; color: var(--qm-text-sec); line-height: 1.7; }

/* Alert alias */
.qm-alert-success { background: #e8f5e9; border: 1px solid #a5d6a7; color: #1b5e20; }
.qm-alert-error   { background: #fce4e4; border: 1px solid #ef9a9a; color: #b71c1c; }
.qm-alert-warning { background: #fff9c4; border: 1px solid #ffe082; color: #856404; }

/* ============================================================
   QUIZ LIST — additional classes
   ============================================================ */
.qm-subject-chips,
.qm-exam-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 14px;
    align-items: center;
}

/* ============================================================
   HEADER — open/close <main> wrapper
   ============================================================ */
.qm-site-main { flex: 1; }

/* ============================================================
   RESPONSIVE ADDITIONS
   ============================================================ */
@media (max-width: 900px) {
    .qm-footer-inner { grid-template-columns: 1fr; gap: 24px; }
    .qm-footer-links { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
    .qm-footer-links { grid-template-columns: 1fr 1fr; }
    .qm-plans-grid { grid-template-columns: 1fr; }
    .qm-compare-table { font-size: 12px; }
    .qm-compare-table th,
    .qm-compare-table td { padding: 8px 10px; }
}