:root {
    --bg-dark: #0f172a;
    --bg-card: rgba(30, 41, 59, 0.7);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    
    --status-good: #10b981;
    --status-good-bg: rgba(16, 185, 129, 0.15);
    
    --status-warning: #f59e0b;
    --status-warning-bg: rgba(245, 158, 11, 0.15);
    
    --status-danger: #ef4444;
    --status-danger-bg: rgba(239, 68, 68, 0.15);
    
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    
    --input-bg: rgba(255, 255, 255, 0.05);
    --btn-action-hover: rgba(255, 255, 255, 0.1);
}

body.light-theme {
    --bg-dark: #f8fafc;
    --bg-card: rgba(255, 255, 255, 0.8);
    --text-main: #0f172a;
    --text-muted: #475569;
    --accent: #2563eb;
    --accent-hover: #1d4ed8;
    
    --glass-border: rgba(0, 0, 0, 0.1);
    --glass-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
    
    --input-bg: rgba(0, 0, 0, 0.05);
    --btn-action-hover: rgba(0, 0, 0, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    min-height: 100vh;
    background-image: 
        radial-gradient(at 0% 0%, rgba(59, 130, 246, 0.15) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(16, 185, 129, 0.1) 0px, transparent 50%);
    background-attachment: fixed;
}

.app-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.header {
    text-align: center;
    margin-bottom: 3rem;
    animation: fadeInDown 0.8s ease-out;
}

.header h1 {
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(to right, #60a5fa, #34d399);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.header p {
    color: var(--text-muted);
    font-size: 1.2rem;
}

.controls {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    margin-bottom: 2rem;
}

.btn-primary, .btn-secondary, .btn-action {
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    outline: none;
}

.btn-primary {
    background-color: var(--accent);
    color: white;
    box-shadow: 0 4px 14px rgba(59, 130, 246, 0.4);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-main);
    border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
    background-color: var(--input-bg);
}

.btn-action {
    width: 100%;
    margin-top: 1rem;
    background: var(--input-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-main);
}

.btn-action:hover {
    background: var(--btn-action-hover);
}

.maintenance-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: var(--glass-shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    animation: fadeIn 0.5s ease-out backwards;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    border-color: rgba(255, 255, 255, 0.2);
}

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

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
}

.status-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.status-good {
    color: var(--status-good);
    background-color: var(--status-good-bg);
}

.status-warning {
    color: var(--status-warning);
    background-color: var(--status-warning-bg);
}

.status-danger {
    color: var(--status-danger);
    background-color: var(--status-danger-bg);
}

.card-body {
    flex-grow: 1;
}

.info-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
}

.info-label {
    color: var(--text-muted);
}

.info-value {
    font-weight: 600;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 100;
    opacity: 1;
    transition: opacity 0.3s ease;
}

.modal.hidden {
    opacity: 0;
    pointer-events: none;
}

.modal-content {
    background: var(--bg-dark);
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid var(--glass-border);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    width: 90%;
    max-width: 400px;
    transform: translateY(0);
    transition: transform 0.3s ease;
}

.modal.hidden .modal-content {
    transform: translateY(20px);
}

.modal-content h2 {
    margin-bottom: 0.5rem;
}

.modal-content p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.date-input {
    width: 100%;
    padding: 0.75rem;
    border-radius: 0.5rem;
    background: var(--input-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-main);
    font-family: inherit;
    font-size: 1rem;
    margin-bottom: 1.5rem;
}

.date-input:focus {
    outline: none;
    border-color: var(--accent);
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
}

/* Animations */
@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Auth Views */
.view {
    display: block;
}
.view.hidden {
    display: none;
}

.auth-card {
    max-width: 400px;
    margin: 4rem auto;
    padding: 2rem;
    border-radius: 1rem;
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    animation: fadeInDown 0.5s ease-out;
}

.register-card {
    max-width: 800px;
}

.auth-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 0.5rem;
    background: linear-gradient(to right, #60a5fa, #34d399);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.auth-subtitle {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.input-field {
    width: 100%;
    padding: 0.75rem;
    border-radius: 0.5rem;
    background: var(--input-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-main);
    font-family: inherit;
    font-size: 1rem;
}

.input-field:focus {
    outline: none;
    border-color: var(--accent);
}

.w-full {
    width: 100%;
}

.mt-4 {
    margin-top: 1rem;
}

.auth-link {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.auth-link a {
    color: var(--accent);
    text-decoration: none;
}

.auth-link a:hover {
    text-decoration: underline;
}

.register-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.form-section h3 {
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--glass-border);
}

.text-muted {
    color: var(--text-muted);
}

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

.dashboard-header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.2rem;
    text-align: left;
}

.dashboard-header p {
    text-align: left;
}

.moto-info {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.5rem;
    padding: 1rem;
    border-radius: 0.5rem;
    background: var(--input-bg);
}

.btn-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.checkbox-group input[type="checkbox"] {
    margin-top: 0.25rem;
    width: 1.25rem;
    height: 1.25rem;
    accent-color: var(--accent);
    cursor: pointer;
}

.checkbox-label {
    margin-bottom: 0 !important;
    cursor: pointer;
    line-height: 1.4;
}

.text-sm {
    font-size: 0.85rem;
}

.text-muted {
    color: var(--text-muted);
}

.header-stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-top: 1rem;
    background: rgba(255,255,255,0.03);
    padding: 1rem;
    border-radius: 0.5rem;
    border: 1px solid var(--glass-border);
    text-align: left;
}

.header-actions-row {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

.edit-moto-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

@media (max-width: 768px) {
    .register-grid {
        grid-template-columns: 1fr;
    }
    
    .dashboard-header .header-content {
        flex-direction: column;
        align-items: stretch;
        gap: 1.5rem;
    }
    
    .dashboard-header h1, .dashboard-header p#user-greeting {
        text-align: center;
    }
    
    .header-stats-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .moto-info {
        align-items: stretch;
    }
    
    .header-actions-row {
        flex-direction: column;
    }
    
    .maintenance-grid {
        grid-template-columns: 1fr;
    }
    
    .edit-moto-grid {
        grid-template-columns: 1fr;
    }
    
    .controls {
        justify-content: stretch;
    }
    
    .controls button {
        width: 100%;
    }
}