/* ========================================================
   Renaissance - Mobile-First Student Attendance Styles
   ======================================================== */

.student-app {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 1.5rem 1rem;
    background: radial-gradient(circle at 50% 10%, #2e1065 0%, #0f172a 100%);
    color: var(--text-inverted);
}

.student-card {
    width: 100%;
    max-width: 460px;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    color: var(--text-primary);
    overflow: hidden;
    transition: transform var(--transition-base);
}

.student-header {
    background: linear-gradient(135deg, var(--primary-800) 0%, var(--secondary-700) 100%);
    padding: 2rem 1.5rem 1.5rem;
    text-align: center;
    color: var(--text-inverted);
    position: relative;
}

.student-header .logo-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    margin-bottom: 0.75rem;
    font-size: 1.5rem;
}

.student-header h1 {
    color: var(--text-inverted);
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.student-header p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.85rem;
    margin-top: 0.25rem;
}

.student-body {
    padding: 1.75rem 1.5rem;
}

/* Radar Location Animation */
.location-radar-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1.5rem 0;
}

.radar-circle {
    position: relative;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--accent-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-600);
    font-size: 2rem;
    box-shadow: 0 0 0 0 rgba(124, 58, 237, 0.4);
}

.radar-circle.scanning {
    animation: radarPulse 1.6s infinite ease-out;
}

@keyframes radarPulse {
    0% { box-shadow: 0 0 0 0 rgba(124, 58, 237, 0.5); }
    70% { box-shadow: 0 0 0 30px rgba(124, 58, 237, 0); }
    100% { box-shadow: 0 0 0 0 rgba(124, 58, 237, 0); }
}

.location-status-text {
    margin-top: 1rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-align: center;
}

/* Attendance Result Views */
.result-screen {
    text-align: center;
    padding: 1rem 0;
    animation: resultPop 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes resultPop {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}

.result-icon-wrapper {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    margin: 0 auto 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.25rem;
}

.result-icon-wrapper.success {
    background-color: var(--success-bg);
    color: var(--success-accent);
    box-shadow: 0 0 25px rgba(16, 185, 129, 0.3);
}

.result-icon-wrapper.failure {
    background-color: var(--danger-bg);
    color: var(--danger-accent);
    box-shadow: 0 0 25px rgba(239, 68, 68, 0.3);
}

.result-details-card {
    background-color: var(--surface-bg);
    border: 1px solid var(--surface-border);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    margin: 1.5rem 0;
    text-align: left;
}

.result-row {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--surface-border-subtle);
    font-size: 0.875rem;
}

.result-row:last-child {
    border-bottom: none;
}

.result-row .label {
    color: var(--text-muted);
    font-weight: 500;
}

.result-row .val {
    color: var(--text-primary);
    font-weight: 700;
    text-align: right;
}

/* Code Input Box */
.attendance-code-input {
    letter-spacing: 0.3em;
    font-size: 1.5rem;
    font-weight: 800;
    text-align: center;
    text-transform: uppercase;
}