/* CSS Variables - Dark Theme matching iot-dashboard */
:root {
    --bg-primary: #0f0f0f;
    --bg-secondary: #1a1a1a;
    --bg-card: #1e1e1e;
    --bg-hover: #252525;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-muted: #666666;
    --border-color: #333333;
    --accent-primary: #3b82f6;
    --accent-hover: #2563eb;
    --radius: 8px;
    --radius-lg: 12px;
    --transition: all 0.2s ease;
}

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.5;
    overflow-x: hidden;
}

/* Navbar */
.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    gap: 0.5rem;
    min-width: 0;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 0;
    flex-shrink: 1;
}

.brand-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

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

.brand-title {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    min-width: 0;
    flex-shrink: 0;
}

.user-email {
    color: var(--text-secondary);
    font-size: 0.875rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 150px;
}

/* Mobile navbar adjustments */
@media (max-width: 480px) {
    .navbar {
        padding: 0.75rem 1rem;
    }

    .brand-separator,
    .brand-title {
        display: none;
    }

    .user-email {
        display: none;
    }

    .nav-actions {
        gap: 0.5rem;
    }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background-color: var(--accent-primary);
    color: white;
}

.btn-primary:hover {
    background-color: var(--accent-hover);
}

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

.btn-outline:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

.btn-full {
    width: 100%;
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

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

.header h1 {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Search */
.search-container {
    max-width: 400px;
    margin: 0 auto 2rem;
}

.search-input {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    color: var(--text-primary);
    transition: var(--transition);
}

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

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

/* Apps Grid */
.apps-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 1rem;
}

@media (min-width: 480px) {
    .apps-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 768px) {
    .apps-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1024px) {
    .apps-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (min-width: 1280px) {
    .apps-grid {
        grid-template-columns: repeat(5, 1fr);
    }
}

/* App Card */
.app-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1.5rem;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    color: inherit;
}

.app-card:hover {
    background-color: var(--bg-hover);
    border-color: var(--accent-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.app-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    background-color: var(--bg-secondary);
    overflow: hidden;
}

.app-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.app-icon svg {
    width: 32px;
    height: 32px;
}

.app-name {
    font-size: 0.95rem;
    font-weight: 500;
    text-align: center;
    margin-bottom: 0.25rem;
}

.app-description {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-align: center;
}

.app-status {
    margin-top: 0.75rem;
    padding: 0.25rem 0.75rem;
    font-size: 0.7rem;
    border-radius: 9999px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.status-running {
    background-color: rgba(34, 197, 94, 0.15);
    color: #22c55e;
}

.status-stopped {
    background-color: rgba(239, 68, 68, 0.15);
    color: #ef4444;
}

/* Login Page */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 1rem;
}

.login-container {
    width: 100%;
    max-width: 400px;
}

.login-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
}

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

.login-brand {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.login-header h1 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.login-header p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input {
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    color: var(--text-primary);
    transition: var(--transition);
}

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

.error-message {
    color: #ef4444;
    font-size: 0.875rem;
    text-align: center;
    min-height: 1.25rem;
}

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

.hidden {
    display: none !important;
}

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

/* No results */
.no-results {
    grid-column: 1 / -1;
    text-align: center;
    padding: 3rem;
    color: var(--text-muted);
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

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