@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
    --bg-dark: #090d16;
    --bg-card: #131926;
    --bg-card-hover: #1c2536;
    --accent-green: #10b981;
    --accent-green-hover: #059669;
    --accent-green-glow: rgba(16, 185, 129, 0.25);
    --accent-blue: #06b6d4;
    --accent-blue-hover: #0891b2;
    --accent-blue-glow: rgba(6, 182, 212, 0.25);
    --accent-red: #ef4444;
    --accent-red-hover: #dc2626;
    --accent-red-glow: rgba(239, 68, 68, 0.2);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border-color: rgba(255, 255, 255, 0.06);
    --glass-bg: rgba(19, 25, 38, 0.8);
    --glass-border: rgba(255, 255, 255, 0.08);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    transition: background-color 0.2s, border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding-bottom: 70px; /* Space for mobile navbar */
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    color: var(--text-primary);
}

a {
    color: var(--accent-blue);
    text-decoration: none;
}

a:hover {
    color: var(--accent-blue-hover);
}

/* Base Container Override */
.container {
    max-width: 960px;
}

/* Custom Header / Desktop Navbar */
.navbar-custom {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1030;
}

.navbar-custom .navbar-brand {
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    font-size: 1.6rem;
    background: linear-gradient(135deg, var(--accent-green) 0%, var(--accent-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-custom .nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 8px;
}

.navbar-custom .nav-link:hover, 
.navbar-custom .nav-link.active {
    color: var(--text-primary);
    background-color: rgba(255, 255, 255, 0.05);
}

/* Mobile Bottom Navbar Style */
@media (max-width: 991px) {
    body {
        padding-bottom: 90px;
    }
    .navbar-custom {
        display: none !important; /* Hide standard navbar on mobile */
    }
    .mobile-header {
        display: flex !important;
        justify-content: space-between;
        align-items: center;
        padding: 1.2rem 1.5rem;
        background-color: var(--bg-dark);
        border-bottom: 1px solid var(--border-color);
        position: sticky;
        top: 0;
        z-index: 1000;
        backdrop-filter: blur(10px);
    }
    .mobile-header .brand-title {
        font-family: 'Outfit', sans-serif;
        font-weight: 800;
        font-size: 1.4rem;
        background: linear-gradient(135deg, var(--accent-green) 0%, var(--accent-blue) 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }
    .mobile-nav-bar {
        display: flex !important;
        position: fixed;
        bottom: 15px;
        left: 15px;
        right: 15px;
        background: rgba(19, 25, 38, 0.9);
        backdrop-filter: blur(20px);
        border: 1px solid var(--glass-border);
        border-radius: 20px;
        padding: 0.6rem 1rem;
        justify-content: space-around;
        align-items: center;
        z-index: 1040;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    }
    .mobile-nav-bar .mobile-nav-item {
        display: flex;
        flex-direction: column;
        align-items: center;
        color: var(--text-secondary);
        font-size: 0.75rem;
        font-weight: 500;
        text-decoration: none;
        padding: 0.4rem;
        border-radius: 12px;
        min-width: 60px;
    }
    .mobile-nav-bar .mobile-nav-item i {
        font-size: 1.3rem;
        margin-bottom: 2px;
    }
    .mobile-nav-bar .mobile-nav-item.active {
        color: var(--accent-green);
    }
    .mobile-nav-bar .mobile-nav-item.active-cardio {
        color: var(--accent-blue);
    }
}

@media (min-width: 992px) {
    .mobile-header {
        display: none !important;
    }
    .mobile-nav-bar {
        display: none !important;
    }
}

/* Cards & Glassmorphism */
.gym-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    margin-bottom: 1.2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    position: relative;
    overflow: hidden;
}

.gym-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(to bottom, var(--accent-green), var(--accent-blue));
    opacity: 0.7;
}

.gym-card:hover {
    background-color: var(--bg-card-hover);
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
    border-color: rgba(255, 255, 255, 0.1);
}

.gym-card.card-completed::before {
    background: var(--accent-green);
}

.gym-card.card-cardio::before {
    background: var(--accent-blue);
}

.gym-card-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.gym-card-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.4;
    margin-bottom: 1rem;
}

.gym-card-meta {
    font-size: 0.8rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

/* Buttons Styling */
.btn-gym-primary {
    background: linear-gradient(135deg, var(--accent-green) 0%, var(--accent-green-hover) 100%);
    color: white;
    font-weight: 600;
    border: none;
    border-radius: 12px;
    padding: 0.75rem 1.5rem;
    box-shadow: 0 4px 15px var(--accent-green-glow);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    cursor: pointer;
}

.btn-gym-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
    color: white;
}

.btn-gym-secondary {
    background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-blue-hover) 100%);
    color: white;
    font-weight: 600;
    border: none;
    border-radius: 12px;
    padding: 0.75rem 1.5rem;
    box-shadow: 0 4px 15px var(--accent-blue-glow);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    cursor: pointer;
}

.btn-gym-secondary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(6, 182, 212, 0.4);
    color: white;
}

.btn-gym-danger {
    background: transparent;
    color: var(--accent-red);
    border: 1px solid rgba(239, 68, 68, 0.4);
    font-weight: 600;
    border-radius: 12px;
    padding: 0.6rem 1.2rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-gym-danger:hover {
    background-color: var(--accent-red);
    color: white;
    border-color: var(--accent-red);
    box-shadow: 0 4px 15px var(--accent-red-glow);
}

.btn-gym-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.15);
    font-weight: 600;
    border-radius: 12px;
    padding: 0.6rem 1.2rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-gym-outline:hover {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.25);
    color: white;
}

/* Badges */
.gym-badge {
    padding: 0.3rem 0.6rem;
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}

.gym-badge-green {
    background-color: rgba(16, 185, 129, 0.15);
    color: var(--accent-green);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.gym-badge-blue {
    background-color: rgba(6, 182, 212, 0.15);
    color: var(--accent-blue);
    border: 1px solid rgba(6, 182, 212, 0.2);
}

.gym-badge-gray {
    background-color: rgba(148, 163, 184, 0.1);
    color: var(--text-secondary);
    border: 1px solid rgba(148, 163, 184, 0.15);
}

/* Form Styles */
.form-container {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}

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

.form-group-custom label {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

/* Django Form Styling Override via CSS */
form p {
    margin-bottom: 1.25rem !important;
}

form label {
    display: block;
    margin-bottom: 0.4rem;
    font-weight: 500;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

form input[type="text"], 
form input[type="number"], 
form input[type="email"], 
form input[type="password"], 
form input[type="url"], 
form textarea, 
form select {
    width: 100%;
    padding: 0.75rem 1rem;
    background-color: rgba(9, 13, 22, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    color: white;
    font-size: 0.95rem;
    outline: none;
}

form input:focus, 
form textarea:focus, 
form select:focus {
    border-color: var(--accent-green);
    box-shadow: 0 0 0 3px var(--accent-green-glow);
    background-color: rgba(9, 13, 22, 0.8);
}

form textarea {
    resize: vertical;
    min-height: 100px;
}

/* Styling native checkbox to look modern */
form input[type="checkbox"] {
    width: 1.2rem;
    height: 1.2rem;
    accent-color: var(--accent-green);
    margin-right: 0.5rem;
    cursor: pointer;
    vertical-align: middle;
}

/* Landing Page (Unlogged User) Styles */
.hero-section {
    padding: 5rem 0;
    text-align: center;
    position: relative;
}

.hero-title {
    font-size: 3.5rem;
    line-height: 1.1;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #ffffff 30%, #a5b4fc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.3rem;
    }
}

.hero-title span {
    background: linear-gradient(135deg, var(--accent-green) 0%, var(--accent-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 2.5rem auto;
    line-height: 1.6;
}

.hero-cta {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 4rem;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2rem;
    text-align: left;
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 1.2rem;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-green);
}

.feature-card.card-blue .feature-icon {
    color: var(--accent-blue);
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* History Execution Log Lists */
.history-list {
    list-style: none;
    margin-top: 1rem;
}

.history-item {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 0.75rem 1rem;
    margin-bottom: 0.6rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.95rem;
}

.history-item span.weight-rep {
    font-weight: 700;
    color: var(--accent-green);
}

.history-item span.weight-rep-cardio {
    font-weight: 700;
    color: var(--accent-blue);
}

/* Back Link Style */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    text-decoration: none;
}

.back-link:hover {
    color: var(--text-primary);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
    background: var(--bg-card);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--bg-card-hover);
}

/* Interactive animations and elements */
.glowing-btn {
    position: relative;
    z-index: 1;
}

.glowing-btn::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 12px;
    background: inherit;
    filter: blur(10px);
    opacity: 0.4;
    z-index: -1;
    transition: opacity 0.2s;
}

.glowing-btn:hover::after {
    opacity: 0.8;
}

.animate-pulse-subtle {
    animation: pulseSubtle 2s infinite ease-in-out;
}

@keyframes pulseSubtle {
    0%, 100% {
        opacity: 0.8;
    }
    50% {
        opacity: 1;
        transform: scale(1.02);
    }
}