:root {
    --bg-dark: #0f172a;
    --bg-card: rgba(30, 41, 59, 0.7);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --accent: #10b981;
    --danger: #ef4444;
    --glass-border: rgba(255, 255, 255, 0.1);
}

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

body {
    background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 100%);
    color: var(--text-main);
    min-height: 100vh;
    padding-bottom: 80px; /* Space for bottom nav */
    overflow-x: hidden;
}

#app {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    min-height: 100vh;
}

/* Header */
.top-header {
    padding: 20px;
    position: sticky;
    top: 0;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    z-index: 10;
}

.top-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(to right, #60a5fa, #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Views */
.view {
    display: none;
    padding: 20px;
    animation: fadeIn 0.3s ease-in-out;
}

.view.active {
    display: block;
}

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

h2 {
    font-size: 1.25rem;
    margin-bottom: 15px;
    color: #e2e8f0;
}

.subtitle {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 20px;
}

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, #4f46e5 100%);
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    width: 100%;
    margin-bottom: 20px;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

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

.btn-icon {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--glass-border);
    color: white;
    padding: 8px 12px;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-icon.success {
    background: rgba(16, 185, 129, 0.2);
    border-color: rgba(16, 185, 129, 0.4);
    color: #34d399;
}

.btn-icon:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Card List */
.card-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 16px;
    transition: transform 0.3s;
}

.card:hover {
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.2);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.card-title {
    font-weight: 600;
    font-size: 1.1rem;
}

.card-badge {
    background: rgba(59, 130, 246, 0.2);
    color: #60a5fa;
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 500;
}

.card-body {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.5;
}

.card-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 15px;
    border-top: 1px solid var(--glass-border);
    padding-top: 15px;
}

/* Dashboard Stats */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 20px;
    text-align: center;
}

.stat-card.highlight {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(5, 150, 105, 0.2) 100%);
    border-color: rgba(16, 185, 129, 0.3);
}

.stat-card h3 {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-bottom: 8px;
}

.stat-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: white;
}
.stat-card.highlight .stat-value {
    color: #34d399;
}

/* Bottom Navigation */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--glass-border);
    display: flex;
    justify-content: flex-start;
    padding: 12px 10px 20px 10px; /* Extra bottom padding for iOS home bar */
    z-index: 100;
    max-width: 600px;
    margin: 0 auto;
    overflow-x: auto;
    gap: 15px;
    scrollbar-width: none; /* Firefox */
}
.bottom-nav::-webkit-scrollbar {
    display: none; /* Chrome/Safari */
}

.nav-item {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    transition: color 0.3s, transform 0.2s;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    flex: 0 0 auto; /* Prevent shrinking */
    min-width: 60px;
}

.nav-item.active {
    color: var(--primary);
    transform: scale(1.1);
}

.nav-item:active {
    transform: scale(0.95);
}

/* Modals */
.modal {
    display: none; 
    position: fixed; 
    z-index: 200; 
    left: 0;
    top: 0;
    width: 100%; 
    height: 100%; 
    background-color: rgba(0,0,0,0.6); 
    backdrop-filter: blur(5px);
    align-items: flex-end;
    justify-content: center;
}

.modal.active {
    display: flex;
    animation: fadeInModal 0.3s forwards;
}

@keyframes fadeInModal {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background: var(--bg-dark);
    border-top: 1px solid var(--glass-border);
    width: 100%;
    max-width: 600px;
    border-radius: 24px 24px 0 0;
    padding: 24px;
    transform: translateY(100%);
    animation: slideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

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

.close {
    color: var(--text-muted);
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    line-height: 1;
}

.close:hover {
    color: white;
}

/* Forms */
.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.form-group input, .form-group select {
    width: 100%;
    padding: 12px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    color: white;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.2s;
}

.form-group input:focus, .form-group select:focus {
    border-color: var(--primary);
}

.w-100 {
    width: 100%;
}