/* Global styles for student supervision system */

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

:root {
    --bg-dark: #1A1A2E;
    --bg-panel: #16213E;
    --bg-card: #1F2937;
    --text-primary: #FFFFFF;
    --text-secondary: #9CA3AF;
    --accent-blue: #00D4FF;
    --accent-orange: #FF6B35;
    --accent-green: #00E676;
    --accent-red: #FF4757;
    --accent-purple: #A855F7;
    --border-color: #2D3748;
}

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    width: 1280px;
    height: 800px;
    overflow: hidden;
    user-select: none;
}

#app {
    display: flex;
    flex-direction: column;
    height: 100%;
    width: 100%;
}

/* ============ TOP BAR ============ */
.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    background: var(--bg-panel);
    border-bottom: 1px solid var(--border-color);
    height: 60px;
    flex-shrink: 0;
}

.top-bar h1 {
    font-size: 22px;
    font-weight: 600;
    color: var(--accent-blue);
}

.top-bar .datetime {
    font-size: 16px;
    color: var(--text-secondary);
}

/* ============ MAIN CONTENT ============ */
.main-content {
    flex: 1;
    display: flex;
    overflow: hidden;
    position: relative;
}

.page {
    display: none;
    width: 100%;
    height: 100%;
}

.page.active {
    display: flex;
}

/* ============ BOTTOM NAV ============ */
.bottom-nav {
    display: flex;
    justify-content: space-around;
    align-items: center;
    height: 60px;
    background: var(--bg-panel);
    border-top: 1px solid var(--border-color);
    flex-shrink: 0;
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 8px 20px;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 14px;
    transition: all 0.2s;
    border-radius: 8px;
}

.nav-item:hover {
    background: rgba(0, 212, 255, 0.1);
    color: var(--accent-blue);
}

.nav-item.active {
    color: var(--accent-blue);
}

.nav-item .nav-icon {
    font-size: 24px;
    margin-bottom: 4px;
}

/* ============ SCORE RING (Dashboard) ============ */
.score-ring-container {
    position: relative;
    width: 200px;
    height: 200px;
}

.score-ring {
    width: 200px;
    height: 200px;
    transform: rotate(-90deg);
}

.score-ring-bg {
    fill: none;
    stroke: var(--border-color);
    stroke-width: 12;
}

.score-ring-fill {
    fill: none;
    stroke: var(--accent-blue);
    stroke-width: 12;
    stroke-linecap: round;
    transition: stroke-dashoffset 0.5s ease;
}

.score-ring-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.score-ring-text .score-value {
    font-size: 42px;
    font-weight: 700;
    color: var(--accent-blue);
}

.score-ring-text .score-max {
    font-size: 18px;
    color: var(--text-secondary);
}

/* ============ CHECK-IN ITEMS (Right Panel) ============ */
.checkin-panel {
    width: 300px;
    background: var(--bg-panel);
    border-left: 1px solid var(--border-color);
    padding: 16px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.checkin-panel h3 {
    font-size: 16px;
    color: var(--accent-blue);
    margin-bottom: 8px;
}

.checkin-item {
    display: flex;
    align-items: center;
    padding: 10px 12px;
    background: var(--bg-card);
    border-radius: 8px;
    gap: 10px;
}

.checkin-item .status-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--text-secondary);
    flex-shrink: 0;
}

.checkin-item .status-dot.done {
    background: var(--accent-green);
}

.checkin-item .item-name {
    flex: 1;
    font-size: 14px;
}

.checkin-item .item-score {
    font-size: 13px;
    color: var(--accent-green);
    font-weight: 600;
}

/* ============ CHECK-IN BUTTONS (Check-in Page) ============ */
.checkin-section {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.checkin-block {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 20px;
    border: 1px solid var(--border-color);
}

.checkin-block h4 {
    font-size: 16px;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.checkin-block .time-window {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.btn-checkin {
    width: 100%;
    padding: 16px;
    border: none;
    border-radius: 10px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    color: white;
}

.btn-checkin.do-wakeup {
    background: linear-gradient(135deg, #FF9800, #FF5722);
}

.btn-checkin.do-homework {
    background: linear-gradient(135deg, #2196F3, #21CBF3);
}

.btn-checkin.do-bike {
    background: linear-gradient(135deg, #4CAF50, #8BC34A);
}

.btn-checkin.do-phone {
    background: linear-gradient(135deg, #FF6B35, #FF9800);
}

.btn-checkin.do-sleep {
    background: linear-gradient(135deg, #7B68EE, #9C27B0);
}

.btn-checkin:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.btn-checkin.checked {
    position: relative;
}

.btn-checkin.checked::after {
    content: '✓';
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 24px;
}

/* ============ FORM ELEMENTS ============ */
.form-group {
    margin-bottom: 12px;
}

.form-group label {
    display: block;
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px 12px;
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 14px;
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--accent-blue);
}

.btn-primary {
    padding: 10px 20px;
    background: var(--accent-blue);
    color: var(--bg-dark);
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary:hover {
    background: #00bcd4;
}

.btn-primary:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* ============ SCORE OVERVIEW (Dashboard left) ============ */
.week-overview {
    margin-top: 24px;
}

.week-overview h4 {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.day-score-row {
    display: flex;
    gap: 8px;
    align-items: center;
    margin-bottom: 8px;
}

.day-label {
    width: 50px;
    font-size: 14px;
    color: var(--text-secondary);
}

.day-bar-bg {
    flex: 1;
    height: 24px;
    background: var(--bg-card);
    border-radius: 6px;
    overflow: hidden;
}

.day-bar-fill {
    height: 100%;
    background: var(--accent-blue);
    border-radius: 6px;
    transition: width 0.3s ease;
}

.day-bar-text {
    width: 60px;
    font-size: 13px;
    color: var(--text-secondary);
    text-align: right;
}

/* ============ REWARD BADGE ============ */
.reward-badge {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-top: 12px;
}

.reward-badge.punish {
    background: rgba(255, 71, 87, 0.2);
    color: var(--accent-red);
    border: 1px solid var(--accent-red);
}

.reward-badge.normal {
    background: rgba(255, 193, 7, 0.2);
    color: #FFC107;
    border: 1px solid #FFC107;
}

.reward-badge.reward {
    background: rgba(0, 230, 118, 0.2);
    color: var(--accent-green);
    border: 1px solid var(--accent-green);
}

.reward-badge.privilege {
    background: rgba(168, 85, 247, 0.2);
    color: var(--accent-purple);
    border: 1px solid var(--accent-purple);
}

/* ============ EXAM LIST ============ */
.exam-list {
    overflow-y: auto;
    padding: 16px;
}

.exam-card {
    background: var(--bg-card);
    border-radius: 10px;
    padding: 14px;
    margin-bottom: 10px;
    border-left: 4px solid var(--accent-blue);
}

.exam-card .exam-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
}

.exam-card .exam-subject {
    font-size: 16px;
    font-weight: 600;
}

.exam-card .exam-score {
    font-size: 16px;
    color: var(--accent-green);
}

.exam-card .exam-details {
    font-size: 13px;
    color: var(--text-secondary);
}

/* ============ WEEKLY SUMMARY ============ */
.weekly-days {
    padding: 16px;
    overflow-y: auto;
}

.weekly-day-row {
    display: flex;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
}

.weekly-day-row .day {
    width: 60px;
    font-size: 15px;
}

.weekly-day-row .score-bar {
    flex: 1;
    margin: 0 12px;
    height: 20px;
    background: var(--bg-card);
    border-radius: 6px;
    overflow: hidden;
}

.weekly-day-row .score-bar-fill {
    height: 100%;
    background: var(--accent-green);
    border-radius: 6px;
}

.weekly-day-row .score-val {
    width: 60px;
    font-size: 14px;
    text-align: right;
}

/* ============ MODAL / REMINDER POPUP ============ */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.modal-overlay.show {
    display: flex;
}

.modal-card {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 32px;
    max-width: 500px;
    width: 90%;
    text-align: center;
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.modal-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.modal-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--accent-blue);
}

.modal-message {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.6;
}

.modal-timer {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 8px;
}

.modal-btn {
    padding: 12px 32px;
    background: var(--accent-blue);
    color: var(--bg-dark);
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
}

/* ============ SCROLLBAR ============ */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* ============ TODO LIST ============ */
.todo-section {
    margin-top: 20px;
}

.todo-item {
    display: flex;
    align-items: center;
    padding: 8px 0;
    font-size: 14px;
    gap: 8px;
}

.todo-item .todo-time {
    color: var(--accent-orange);
    width: 60px;
    flex-shrink: 0;
}

.todo-item .todo-name {
    flex: 1;
}

.todo-item .todo-status {
    font-size: 18px;
}