/* ═════════════════════════════════════════════════════
   CONDUCTOR APP - STYLES
   Mobile-First Responsive Design
   ═════════════════════════════════════════════════════ */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

:root {
    --dark: #020617;
    --navy: #0f172a;
    --navy-accent: #1e293b;
    --yellow: #EAB308;
    --yellow-dark: #CA8A04;
    --text-primary: #ffffff;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --border: rgba(255, 255, 255, 0.1);
    --border-yellow: rgba(234, 179, 8, 0.2);
    --success: #10b981;
    --error: #ef4444;
}

/* ═════════════════════════════════════════════════════
   BASE
   ═════════════════════════════════════════════════════ */

html {
    scroll-behavior: smooth;
    height: 100%;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, var(--dark) 0%, #0a0f1f 100%);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: fixed;
    width: 100%;
    height: 100%;
}

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

/* ═════════════════════════════════════════════════════
   CONTAINERS
   ═════════════════════════════════════════════════════ */

.screen {
    display: none;
    flex: 1;
    flex-direction: column;
    width: 100%;
    height: 100%;
    padding: 1rem;
    overflow-y: auto;
}

.screen.active {
    display: flex;
}

.container {
    max-width: 100%;
    margin: 0 auto;
    padding: 0;
}

/* ═════════════════════════════════════════════════════
   LOGIN SCREEN
   ═════════════════════════════════════════════════════ */

#login-screen {
    justify-content: center;
    align-items: center;
    padding: 2rem 1rem;
}

.login-card {
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-yellow);
    border-radius: 2rem;
    padding: 2rem;
    width: 100%;
    max-width: 400px;
}

.logo {
    text-align: center;
    margin-bottom: 2rem;
}

.logo-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: 2px;
}

.logo-text .highlight {
    color: var(--yellow);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--navy-accent);
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--yellow);
    box-shadow: 0 0 0 3px rgba(234, 179, 8, 0.1);
}

.btn {
    width: 100%;
    padding: 0.875rem 1.5rem;
    background: linear-gradient(135deg, var(--yellow) 0%, var(--yellow-dark) 100%);
    color: var(--dark);
    border: none;
    border-radius: 0.75rem;
    font-weight: 700;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s;
}

.btn:active {
    transform: scale(0.98);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.error-message {
    color: var(--error);
    font-size: 0.875rem;
    margin-top: 0.5rem;
    display: none;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: 0.5rem;
    padding: 0.75rem;
}

.error-message.show {
    display: block;
}

.success-message {
    color: var(--success);
    font-size: 0.875rem;
    margin-top: 0.5rem;
    display: none;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: 0.5rem;
    padding: 0.75rem;
}

.success-message.show {
    display: block;
}

/* ═════════════════════════════════════════════════════
   HOME SCREEN
   ═════════════════════════════════════════════════════ */

#home-screen {
    padding-top: 0;
}

.header {
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(12px);
    padding: 1rem;
    border-bottom: 1px solid var(--border);
    margin-bottom: 1.5rem;
    border-radius: 0 0 1.5rem 1.5rem;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-title {
    font-size: 1.25rem;
    font-weight: 900;
}

.header-title .highlight {
    color: var(--yellow);
}

.header-actions {
    display: flex;
    gap: 0.5rem;
}

.btn-icon {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    background: var(--navy-accent);
    border: 1px solid var(--border);
    color: var(--text-primary);
    cursor: pointer;
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

.btn-icon:active {
    background: var(--border-yellow);
}

/* Vehicle Card */
.vehicle-card {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border-yellow);
    border-radius: 1.5rem;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.vehicle-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.vehicle-name {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--yellow);
}

.vehicle-status {
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.25rem 0.75rem;
    background: rgba(16, 185, 129, 0.2);
    color: var(--success);
    border-radius: 9999px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.vehicle-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.info-item {
    background: rgba(255, 255, 255, 0.05);
    padding: 0.75rem;
    border-radius: 0.75rem;
}

.info-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    margin-bottom: 0.25rem;
}

.info-value {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.vehicle-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.btn-primary {
    padding: 1rem;
    background: linear-gradient(135deg, var(--yellow) 0%, var(--yellow-dark) 100%);
    color: var(--dark);
    border: none;
    border-radius: 1rem;
    font-weight: 700;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-primary:active {
    transform: scale(0.98);
}

.btn-secondary {
    padding: 1rem;
    background: transparent;
    color: var(--yellow);
    border: 1px solid var(--border-yellow);
    border-radius: 1rem;
    font-weight: 700;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-secondary:active {
    background: rgba(234, 179, 8, 0.1);
}

/* Offline Indicator */
.offline-indicator {
    display: none;
    position: fixed;
    bottom: 1rem;
    left: 1rem;
    right: 1rem;
    background: var(--error);
    color: white;
    padding: 1rem;
    border-radius: 0.75rem;
    text-align: center;
    font-weight: 600;
    z-index: 1000;
}

body.offline .offline-indicator {
    display: block;
}

/* ═════════════════════════════════════════════════════
   MODAL
   ═════════════════════════════════════════════════════ */

.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    z-index: 1000;
    flex-direction: column;
    align-items: flex-end;
    animation: slideUp 0.3s ease-out;
}

.modal.active {
    display: flex;
}

@keyframes slideUp {
    from {
        transform: translateY(100%);
    }
    to {
        transform: translateY(0);
    }
}

.modal-content {
    background: var(--navy);
    width: 100%;
    max-height: 90vh;
    border-radius: 1.5rem 1.5rem 0 0;
    padding: 1.5rem;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 900;
}

.btn-close {
    width: 2.5rem;
    height: 2.5rem;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Loading Spinner */
.spinner {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    border: 2px solid var(--border);
    border-top-color: var(--yellow);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ═════════════════════════════════════════════════════
   RESPONSIVE
   ═════════════════════════════════════════════════════ */

@media (max-width: 640px) {
    body {
        font-size: 14px;
    }

    .login-card {
        padding: 1.5rem;
    }

    .modal-content {
        max-height: 95vh;
        padding: 1rem;
    }
}

/* Safe area for notches */
@supports (padding: max(0px)) {
    body {
        padding-left: max(1rem, env(safe-area-inset-left));
        padding-right: max(1rem, env(safe-area-inset-right));
        padding-top: max(0.5rem, env(safe-area-inset-top));
        padding-bottom: max(0.5rem, env(safe-area-inset-bottom));
    }

    .header {
        padding-left: max(1rem, env(safe-area-inset-left));
        padding-right: max(1rem, env(safe-area-inset-right));
    }
}