:root {
    --bg-color: #121212;
    --card-bg: #1e1e1e;
    --text-primary: #ffffff;
    --text-secondary: #aaaaaa;
    --accent-primary: #4caf50; /* Green for ITEC-PEC to distinguish? Or keep consistent? Request said "orange/green/blue accents". Let's use Green for ITEC. */
    --accent-success: #4caf50;
    --accent-danger: #f44336;
    --border-color: #333;
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-family);
    line-height: 1.6;
}

#app {
    max-width: 480px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}

h1 { font-size: 1.25rem; }

.card {
    background-color: var(--card-bg);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.3);
}

.hidden { display: none !important; }

/* Profile Header */
.user-profile-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

#user-profile-img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--primary);
    box-shadow: 0 0 15px rgba(255, 23, 68, 0.3);
}

.animated-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(45deg, #1e293b, #334155);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    border: 3px solid var(--primary);
    position: relative;
    overflow: hidden;
    animation: avatarPulse 3s infinite ease-in-out;
}

.animated-avatar::before {
    content: '';
    position: absolute;
    width: 150%;
    height: 150%;
    background: linear-gradient(45deg, transparent, rgba(255, 23, 68, 0.1), transparent);
    top: -25%;
    left: -25%;
    transform: rotate(45deg);
    animation: avatarShine 4s infinite linear;
}

@keyframes avatarPulse {
    0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(255, 23, 68, 0.4); }
    50% { transform: scale(1.03); box-shadow: 0 0 20px 0 rgba(255, 23, 68, 0.2); }
    100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(255, 23, 68, 0.4); }
}

@keyframes avatarShine {
    from { transform: translateX(-100%) rotate(45deg); }
    to { transform: translateX(100%) rotate(45deg); }
}

/* Buttons */
.btn {
    display: block;
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    margin-top: 10px;
    transition: background 0.2s;
}

.btn.primary { background-color: var(--accent-primary); color: #fff; }
.btn.secondary { background-color: #444; color: #fff; }
.btn.danger { background-color: var(--accent-danger); color: #fff; }
.btn-text { background: none; border: none; color: var(--text-secondary); cursor: pointer; margin-bottom: 15px; }

/* Inputs */
input, select, textarea {
    width: 100%;
    padding: 12px;
    background: #2a2a2a;
    border: 1px solid #444;
    border-radius: 6px;
    color: #fff;
    margin-bottom: 15px;
    font-size: 1rem;
}

input:focus, select:focus, textarea:focus {
    outline: 2px solid var(--accent-primary);
}

/* Status Card */
.timer-box {
    text-align: center;
    margin: 20px 0;
    background: #252525;
    padding: 15px;
    border-radius: 8px;
}
.time-display { font-size: 2rem; font-weight: bold; font-variant-numeric: tabular-nums; }
.status-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.8rem;
    background: #333;
    margin-top: 5px;
}

/* History */
.history-list h3 { margin-bottom: 10px; font-size: 1rem; color: var(--text-secondary); }
ul { list-style: none; }
.history-item {
    background: var(--card-bg);
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.history-item .meta { font-size: 0.85rem; color: var(--text-secondary); }
.history-item .status { font-size: 0.8rem; font-weight: bold; }
.status-approved { color: var(--accent-success); }
.status-pending { color: #ff9800; }
.status-declined { color: var(--accent-danger); }
.status-assigned { color: #2196f3; }
.status-in_progress { color: #9c27b0; }

/* QR Reader */
#qr-reader {
    background: #000;
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 15px;
}
#qr-reader video { object-fit: cover; }

/* Toast */
#toast-container {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 300px;
    z-index: 1000;
    text-align: center;
}
.toast {
    background: #333;
    color: #fff;
    padding: 10px 20px;
    border-radius: 20px;
    margin-top: 10px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.5);
    animation: fadeIn 0.3s, fadeOut 0.3s 2.7s forwards;
}
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeOut { to { opacity: 0; } }

/* Divider */
.divider { text-align: center; margin: 15px 0; color: var(--text-secondary); font-size: 0.9rem; }
.error-msg { color: var(--accent-danger); font-size: 0.9rem; margin-top: 5px; text-align: center; }

/* Status Indicator */
.status-indicator { font-size: 0.8rem; }
.status-indicator.online { color: var(--accent-success); }
.status-indicator.offline { color: var(--accent-danger); }

/* Modal / Overlay */
.overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
}
.login-box {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.5);
}
.history-items-full {
    list-style: none;
    padding: 0;
}
.history-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 12px;
    border-bottom: 1px solid var(--border-color);
}
.item-icon {
    font-size: 1.5rem;
    min-width: 40px;
    height: 40px;
    background: #2a2a2a;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
}
.item-info { flex: 1; }
.item-title { font-weight: 600; color: var(--text-primary); }
.item-meta { font-size: 0.8rem; color: var(--text-secondary); }

/* Loading Animations */
.pulse {
    display: inline-block;
    width: 10px;
    height: 10px;
    background-color: currentColor;
    border-radius: 50%;
    margin-right: 8px;
    animation: button-pulse 1s infinite ease-in-out;
}
@keyframes button-pulse {
    0% { transform: scale(0.8); opacity: 0.5; }
    50% { transform: scale(1.2); opacity: 1; }
    100% { transform: scale(0.8); opacity: 0.5; }
}

button:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}