@import url('https://fonts.googleapis.com/css2?family=Afacad:wght@400;500;600;700&family=Inter:wght@300;400;500;600;700&display=swap');

:root {

    --primary: #A90C23;
    --primary-dark: #8a0a1c;
    --primary-light: #c4283e;
    --secondary: #01ACE0;
    --secondary-dark: #0189b3;
    --secondary-light: #33c4ed;


    --success: #10b981;
    --warning: #f59e0b;
    --danger: #dc2626;


    --dark: #1a1a1f;
    --dark-light: #252530;
    --dark-lighter: #35353f;
    --gray: #6b7280;
    --gray-light: #9ca3af;
    --cream: #F0EFE3;
    --white: #ffffff;

    --gradient-primary: linear-gradient(135deg, #A90C23 0%, #c4283e 100%);
    --gradient-secondary: linear-gradient(135deg, #01ACE0 0%, #33c4ed 100%);
    --gradient-mixed: linear-gradient(135deg, #A90C23 0%, #01ACE0 100%);
    --gradient-success: linear-gradient(135deg, #10b981 0%, #34d399 100%);

    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.25);
    --shadow-primary: 0 8px 20px rgba(169, 12, 35, 0.3);
    --shadow-secondary: 0 8px 20px rgba(1, 172, 224, 0.3);

    --radius: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--dark);
    color: var(--cream);
    min-height: 100vh;
    line-height: 1.6;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: 'Afacad', sans-serif;
    font-weight: 700;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 20%, rgba(169, 12, 35, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(1, 172, 224, 0.06) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}


.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.login-container {
    width: 100%;
    max-width: 420px;
    text-align: center;
}

.brand {
    margin-bottom: 32px;
}

.brand-logo {
    width: 200px;
    height: auto;
    margin-bottom: 16px;
}

.brand-icon {
    font-size: 64px;
    margin-bottom: 12px;
    display: block;
}

.brand-name {
    font-family: 'Afacad', sans-serif;
    font-size: 48px;
    font-weight: 700;
    background: var(--gradient-mixed);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 4px;
}

.brand-tagline {
    color: var(--gray-light);
    font-size: 14px;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.login-card {
    background: var(--dark-light);
    border-radius: var(--radius-xl);
    padding: 36px;
    border: 1px solid rgba(240, 239, 227, 0.05);
    box-shadow: var(--shadow-xl);
}

.login-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 28px;
    background: var(--dark);
    padding: 4px;
    border-radius: var(--radius);
}

.tab-btn {
    flex: 1;
    padding: 14px;
    border: none;
    background: transparent;
    color: var(--gray-light);
    font-family: 'Afacad', sans-serif;
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
}

.tab-btn.active {
    background: var(--gradient-primary);
    color: var(--white);
}

.tab-btn:hover:not(.active) {
    color: var(--cream);
    background: rgba(169, 12, 35, 0.1);
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.form-group {
    text-align: left;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--gray-light);
    margin-bottom: 8px;
}

.form-group input,
.select-input {
    width: 100%;
    padding: 14px 18px;
    background: rgba(240, 239, 227, 0.03);
    border: 1px solid rgba(240, 239, 227, 0.1);
    border-radius: var(--radius);
    color: var(--cream);
    font-size: 15px;
    transition: var(--transition);
}

.form-group input:focus,
.select-input:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(169, 12, 35, 0.08);
    box-shadow: 0 0 0 3px rgba(169, 12, 35, 0.1);
}

.form-group input::placeholder {
    color: var(--gray);
}

.login-btn {
    width: 100%;
    padding: 16px;
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--radius);
    color: var(--white);
    font-family: 'Afacad', sans-serif;
    font-size: 17px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: var(--transition);
    margin-top: 8px;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-primary);
}

.btn-arrow {
    transition: var(--transition);
}

.login-btn:hover .btn-arrow {
    transform: translateX(4px);
}

.login-footer {
    margin-top: 28px;
    padding-top: 24px;
    border-top: 1px solid rgba(240, 239, 227, 0.05);
}

.login-footer p {
    font-size: 12px;
    color: var(--gray);
    margin-bottom: 10px;
}

.demo-accounts {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.demo-item {
    font-size: 12px;
    color: var(--gray-light);
    background: rgba(1, 172, 224, 0.08);
    padding: 8px 14px;
    border-radius: 20px;
    border: 1px solid rgba(1, 172, 224, 0.15);
}

.copyright {
    margin-top: 36px;
    font-size: 12px;
    color: var(--gray);
}

.hoca-label {
    display: none;
}

.hoca-label.active {
    display: inline;
}

.ogrenci-label.hidden {
    display: none;
}

.hidden {
    display: none !important;
}

/* ===== HEADER ===== */
.header {
    background: rgba(37, 37, 48, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(240, 239, 227, 0.05);
    padding: 14px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-logo {
    height: 36px;
    width: auto;
}

.header-icon {
    font-size: 24px;
}

.header-title {
    font-family: 'Afacad', sans-serif;
    font-size: 22px;
    font-weight: 700;
    background: var(--gradient-mixed);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header-user {
    display: flex;
    align-items: center;
    gap: 14px;
}

.header-user span {
    font-size: 14px;
    color: var(--gray-light);
}

.logout-btn {
    padding: 8px 18px;
    background: rgba(220, 38, 38, 0.1);
    border: 1px solid rgba(220, 38, 38, 0.3);
    border-radius: var(--radius);
    color: #ef4444;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.logout-btn:hover {
    background: #ef4444;
    color: var(--white);
}

/* ===== MAIN ===== */
.main {
    padding: 28px;
    max-width: 850px;
    margin: 0 auto;
}

.container {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.section-title {
    font-family: 'Afacad', sans-serif;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 18px;
    color: var(--cream);
}

.section-desc {
    color: var(--gray-light);
    font-size: 14px;
    margin-bottom: 22px;
}

/* ===== QR SECTION (HOCA) ===== */
.qr-section,
.attendance-section,
.stats-section,
.scanner-section,
.history-section,
.reports-section {
    background: var(--dark-light);
    border-radius: var(--radius-lg);
    padding: 26px;
    border: 1px solid rgba(240, 239, 227, 0.05);
}

.qr-controls {
    display: grid;
    gap: 16px;
}

@media (min-width: 600px) {
    .qr-controls {
        grid-template-columns: 1fr 1fr auto;
        align-items: end;
    }
}

.control-group label {
    display: block;
    font-size: 13px;
    color: var(--gray-light);
    margin-bottom: 8px;
}

.select-input {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%239ca3af' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-color: var(--dark);
    cursor: pointer;
}

/* Select dropdown açılır menü stilleri */
.select-input option {
    background-color: var(--dark-light);
    color: var(--cream);
    padding: 12px 16px;
    border: none;
}

.select-input option:hover,
.select-input option:focus,
.select-input option:checked {
    background-color: var(--primary);
    color: var(--white);
}

/* Firefox için */
.select-input:focus option:checked {
    background: var(--primary) linear-gradient(0deg, var(--primary) 0%, var(--primary) 100%);
}

.generate-btn {
    padding: 14px 28px;
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--radius);
    color: var(--white);
    font-family: 'Afacad', sans-serif;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.generate-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-primary);
}

.qr-display {
    margin-top: 28px;
}

.qr-card {
    background: var(--dark);
    border-radius: var(--radius-lg);
    padding: 28px;
    text-align: center;
    border: 2px solid var(--primary);
    animation: pulse-border 2s infinite;
}

@keyframes pulse-border {

    0%,
    100% {
        border-color: var(--primary);
    }

    50% {
        border-color: var(--secondary);
    }
}

.qr-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.qr-ders {
    font-family: 'Afacad', sans-serif;
    font-weight: 600;
    font-size: 18px;
    color: var(--cream);
}

.qr-timer {
    background: var(--gradient-secondary);
    padding: 10px 20px;
    border-radius: 25px;
    font-family: 'Afacad', sans-serif;
    font-weight: 700;
    font-size: 20px;
    color: var(--white);
}

.qr-timer.warning {
    background: var(--gradient-primary);
    animation: blink 0.5s infinite;
}

@keyframes blink {
    50% {
        opacity: 0.7;
    }
}

.qr-code {
    background: var(--white);
    padding: 20px;
    border-radius: var(--radius);
    display: inline-block;
    margin-bottom: 18px;
}

.qr-code canvas,
.qr-code img {
    display: block;
    max-width: 100%;
    height: auto;
}

.qr-footer p {
    font-size: 13px;
    color: var(--gray-light);
}

.qr-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-top: 22px;
}

.qr-action-btn {
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius);
    font-family: 'Afacad', sans-serif;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.qr-action-btn.refresh {
    background: rgba(1, 172, 224, 0.15);
    color: var(--secondary);
    border: 1px solid rgba(1, 172, 224, 0.3);
}

.qr-action-btn.refresh:hover {
    background: var(--secondary);
    color: var(--white);
}

.qr-action-btn.stop {
    background: rgba(220, 38, 38, 0.15);
    color: #ef4444;
    border: 1px solid rgba(220, 38, 38, 0.3);
}

.qr-action-btn.stop:hover {
    background: #ef4444;
    color: var(--white);
}

/* ===== ATTENDANCE LIST ===== */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 18px;
}

.section-header .section-title {
    margin-bottom: 0;
}

.attendance-count {
    font-size: 13px;
    color: var(--success);
    background: rgba(16, 185, 129, 0.12);
    padding: 6px 14px;
    border-radius: 20px;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.attendance-list,
.history-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.attendance-item,
.history-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 18px;
    background: var(--dark);
    border-radius: var(--radius);
    animation: slideIn 0.3s ease;
    border: 1px solid rgba(240, 239, 227, 0.03);
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.attendance-avatar {
    width: 44px;
    height: 44px;
    background: var(--gradient-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Afacad', sans-serif;
    font-weight: 700;
    font-size: 16px;
    color: var(--white);
}

.attendance-info,
.history-info {
    flex: 1;
}

.attendance-name,
.history-ders {
    font-family: 'Afacad', sans-serif;
    font-weight: 600;
    font-size: 15px;
    color: var(--cream);
}

.attendance-no,
.history-date {
    font-size: 12px;
    color: var(--gray-light);
}

.attendance-time,
.history-time {
    font-size: 12px;
    color: var(--gray);
}

.empty-state {
    text-align: center;
    padding: 50px 24px;
    color: var(--gray);
}

.empty-state span {
    font-size: 48px;
    display: block;
    margin-bottom: 14px;
    opacity: 0.4;
}

/* ===== STATS ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
}

.stat-card {
    background: var(--dark);
    border-radius: var(--radius);
    padding: 24px;
    text-align: center;
    border: 1px solid rgba(240, 239, 227, 0.03);
}

.stat-icon {
    font-size: 32px;
    display: block;
    margin-bottom: 10px;
}

.stat-value {
    font-family: 'Afacad', sans-serif;
    font-size: 32px;
    font-weight: 700;
    display: block;
    background: var(--gradient-mixed);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 13px;
    color: var(--gray-light);
    margin-top: 4px;
}

/* ===== SCANNER (OGRENCI) ===== */
.scanner-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.scanner-box {
    width: 100%;
    max-width: 320px;
    aspect-ratio: 1;
    background: var(--dark);
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
    border: 2px solid rgba(1, 172, 224, 0.3);
}

.scanner-frame {
    position: absolute;
    inset: 15%;
    z-index: 10;
    pointer-events: none;
}

.corner {
    position: absolute;
    width: 28px;
    height: 28px;
    border: 3px solid var(--secondary);
}

.corner.tl {
    top: 0;
    left: 0;
    border-right: none;
    border-bottom: none;
}

.corner.tr {
    top: 0;
    right: 0;
    border-left: none;
    border-bottom: none;
}

.corner.bl {
    bottom: 0;
    left: 0;
    border-right: none;
    border-top: none;
}

.corner.br {
    bottom: 0;
    right: 0;
    border-left: none;
    border-top: none;
}

.scan-line {
    position: absolute;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--secondary);
    box-shadow: 0 0 20px var(--secondary);
    animation: scan 2s linear infinite;
}

@keyframes scan {
    0% {
        top: 0;
    }

    100% {
        top: 100%;
    }
}

.scanner-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--gray);
}

.scanner-placeholder span {
    font-size: 52px;
    margin-bottom: 14px;
    opacity: 0.3;
}

#reader {
    width: 100%;
    height: 100%;
}

#reader video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-lg);
}

.scan-btn {
    padding: 16px 36px;
    border: none;
    border-radius: var(--radius);
    font-family: 'Afacad', sans-serif;
    font-size: 17px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.scan-btn.start {
    background: var(--gradient-secondary);
    color: var(--white);
}

.scan-btn.start:hover {
    box-shadow: var(--shadow-secondary);
    transform: scale(1.03);
}

.scan-btn.stop {
    background: var(--gradient-primary);
    color: var(--white);
}

.scan-btn.stop:hover {
    box-shadow: var(--shadow-primary);
}

/* ===== RESULT CARD ===== */
.result-card {
    text-align: center;
    padding: 36px;
    background: var(--dark);
    border-radius: var(--radius-lg);
    margin-top: 28px;
    animation: fadeIn 0.3s ease;
    border: 1px solid rgba(240, 239, 227, 0.05);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

.result-icon {
    font-size: 72px;
    margin-bottom: 18px;
}

.result-title {
    font-family: 'Afacad', sans-serif;
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 10px;
}

.result-message {
    color: var(--gray-light);
    font-size: 15px;
    margin-bottom: 28px;
}

.result-btn {
    padding: 14px 36px;
    background: var(--gradient-secondary);
    border: none;
    border-radius: var(--radius);
    color: var(--white);
    font-family: 'Afacad', sans-serif;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.result-btn:hover {
    box-shadow: var(--shadow-secondary);
}

.result-card.error .result-icon {
    color: var(--danger);
}

.result-card.success .result-icon {
    color: var(--success);
}

/* ===== REPORTS SECTION ===== */
.report-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    align-items: end;
    margin-bottom: 26px;
}

.report-filters .control-group {
    flex: 1;
    min-width: 150px;
}

.export-btn {
    padding: 14px 22px;
    background: var(--gradient-success);
    border: none;
    border-radius: var(--radius);
    color: var(--white);
    font-family: 'Afacad', sans-serif;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.export-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(16, 185, 129, 0.3);
}

.report-table-container {
    overflow-x: auto;
    border-radius: var(--radius);
    background: var(--dark);
}

.report-table {
    width: 100%;
    border-collapse: collapse;
}

.report-table th,
.report-table td {
    padding: 16px 18px;
    text-align: left;
    border-bottom: 1px solid rgba(240, 239, 227, 0.05);
}

.report-table th {
    background: rgba(169, 12, 35, 0.1);
    font-family: 'Afacad', sans-serif;
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.report-table td {
    font-size: 14px;
}

.report-table tbody tr:hover {
    background: rgba(1, 172, 224, 0.03);
}

.empty-cell {
    text-align: center;
    color: var(--gray);
    padding: 50px 18px !important;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 600px) {
    .login-card {
        padding: 28px 22px;
    }

    .brand-name {
        font-size: 36px;
    }

    .brand-logo {
        width: 140px;
        margin-bottom: 12px;
    }

    .header-logo {
        height: 28px;
    }

    .header {
        padding: 12px 16px;
    }

    .main {
        padding: 18px;
    }

    .qr-section,
    .attendance-section,
    .stats-section,
    .scanner-section,
    .history-section,
    .reports-section {
        padding: 20px;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    /* Mobil logo boyutları */
    .brand-logo {
        width: 140px;
    }

    .header-logo {
        height: 28px;
    }
}

/* ===== CHART CONTAINER ===== */
.chart-container {
    background: var(--dark);
    border-radius: var(--radius);
    padding: 20px;
    margin-top: 16px;
}

.ozet-stats,
.ozet-chart,
.ozet-list {
    margin-top: 24px;
}