/* --- index.css --- */

/* 1. CSS Custom Properties (Variables) */
:root {
    --color-background: #121212;
    --color-surface: #1e1e1e;
    --color-surface-light: #2a2a2a;
    --color-primary: #00a6a6;
    --color-primary-variant: #008484;
    --color-secondary: #f5f5f5;
    --color-text-primary: #e0e0e0;
    --color-text-secondary: #a0a0a0;
    --color-error: #cf6679;
    --color-success: #66bb6a;

    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --border-radius: 8px;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    --transition: all 0.3s ease-in-out;
}

/* 2. Global Resets & Styles */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--color-background);
    color: var(--color-text-primary);
    line-height: 1.6;
    font-size: 16px;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--color-primary-variant);
}

h1, h2, h3, h4 {
    color: var(--color-secondary);
    line-height: 1.2;
    margin-bottom: 0.5em;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

.view-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    border-bottom: 2px solid var(--color-primary);
    padding-bottom: 0.5rem;
}

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

/* 3. Components */

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    font-weight: bold;
    cursor: pointer;
    text-align: center;
    transition: var(--transition);
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--color-primary);
    color: #fff;
}

.btn-primary:hover {
    background-color: var(--color-primary-variant);
    transform: translateY(-2px);
    box-shadow: 0 2px 8px rgba(0, 166, 166, 0.4);
}

.btn-secondary {
    background-color: var(--color-surface-light);
    color: var(--color-text-primary);
}

.btn-secondary:hover {
    background-color: #3a3a3a;
}

.btn-block {
    display: block;
    width: 100%;
}

/* Forms & Auth */
.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}
.auth-form-wrapper {
    width: 100%;
    max-width: 400px;
    padding: 2.5rem;
    background: var(--color-surface);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}
.auth-title { text-align: center; font-size: 2rem; }
.auth-subtitle { text-align: center; color: var(--color-text-secondary); margin-bottom: 2rem; }
.auth-switch { text-align: center; margin-top: 1.5rem; }

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
    color: var(--color-text-secondary);
}

.form-group input {
    width: 100%;
    padding: 0.75rem;
    background-color: var(--color-surface-light);
    border: 1px solid #444;
    border-radius: var(--border-radius);
    color: var(--color-text-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(0, 166, 166, 0.5);
}


/* Header & Navigation */
.main-header {
    background: var(--color-surface);
    padding: 1rem;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--color-secondary);
}

.desktop-nav a {
    color: var(--color-text-secondary);
    margin-left: 1.5rem;
    font-weight: 500;
}
.desktop-nav a:hover { color: var(--color-primary); }

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
}
.menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--color-secondary);
    margin: 5px 0;
    transition: var(--transition);
}

.mobile-nav {
    display: none;
}


/* Cards & Lists */
.card-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}
.card {
    background: var(--color-surface);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
}
.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 16px rgba(0,0,0,0.3);
}

/* Accordion */
.accordion-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.accordion-item {
    background: var(--color-surface);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
}
.accordion-item.active {
    box-shadow: 0 0 0 2px var(--color-primary);
}
.accordion-header {
    width: 100%;
    background: var(--color-surface-light);
    padding: 1rem 1.5rem;
    border: none;
    text-align: left;
    color: var(--color-text-primary);
    font-size: 1.1rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.accordion-title { font-weight: bold; }
.accordion-icon { font-size: 1.5rem; font-weight: bold; transition: transform 0.3s ease; }
.accordion-item.active .accordion-icon { transform: rotate(45deg); }
.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-in-out;
    padding: 0 1.5rem;
}
.accordion-content p { margin: 1rem 0; }
.accordion-actions { padding: 1rem 0; }
.tag {
    background: #444;
    color: var(--color-text-secondary);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.8rem;
    margin-left: 0.5rem;
}


/* Global Notification */
#global-notification {
    position: fixed;
    bottom: -100px;
    left: 50%;
    transform: translateX(-50%);
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    color: white;
    font-weight: bold;
    box-shadow: var(--shadow);
    transition: bottom 0.5s ease-in-out;
    z-index: 2000;
}
#global-notification.show {
    bottom: 20px;
}
#global-notification.success {
    background-color: var(--color-success);
}
#global-notification.error {
    background-color: var(--color-error);
}


/* 4. Responsive Design */
@media (max-width: 768px) {
    .desktop-nav, .user-greeting {
        display: none;
    }
    .menu-toggle {
        display: block;
    }
    
    .mobile-nav {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100vh;
        background: rgba(18, 18, 18, 0.98);
        padding-top: 6rem;
        align-items: center;
        transition: left 0.4s ease-in-out;
        z-index: 999;
    }
    .mobile-nav.open {
        left: 0;
    }
    .mobile-nav a {
        font-size: 1.8rem;
        color: var(--color-secondary);
        margin: 1.5rem 0;
    }
    
    .view-title { font-size: 2rem; }
    .view-header { flex-direction: column; align-items: stretch; gap: 1rem; }
}