/**
 * Custom Styles
 *
 * This file contains custom styles that extend Bootstrap.
 * Most styling is handled by Bootstrap utilities and components.
 */

/* CSS Variables for Pastel Brand Colors */
:root {
    /* Primary Pastel Colors - Soft Blues */
    --primary-color: #8BA9C1;
    --primary-dark: #6B89A1;
    --primary-light: #A8C5DA;

    /* Accent Pastel Colors - Soft Pinks & Purples */
    --accent-color: #D4A5A5;
    --accent-secondary: #C4B4D8;
    --accent-purple: #B8A8C8;

    /* Supporting Pastels */
    --pastel-green: #B8D4C1;
    --pastel-peach: #E8C5B4;
    --pastel-yellow: #E8DDB8;

    /* Neutrals */
    --dark-color: #5A6B7A;
    --dark-secondary: #6A7B8A;
    --light-color: #F8F9FA;
    --light-secondary: #EEF1F4;

    /* Soft Gradients */
    --gradient-primary: linear-gradient(135deg, #A8C5DA 0%, #C4B4D8 100%);
    --gradient-dark: linear-gradient(135deg, #6A7B8A 0%, #5A6B7A 100%);
    --gradient-accent: linear-gradient(90deg, #D4A5A5 0%, #C4B4D8 100%);

    /* Typography */
    --font-heading: 'Raleway', sans-serif;
    --font-body: 'Nunito Sans', sans-serif;
    --font-accent: 'Tagesschrift', cursive;

    /* Subtle Effects */
    --shadow-soft: 0 4px 16px rgba(90, 107, 122, 0.1);
    --shadow-elevated: 0 8px 24px rgba(90, 107, 122, 0.15);
    --border-color: rgba(139, 169, 193, 0.2);
}

/* Typography */
body {
    font-family: var(--font-body);
    line-height: 1.6;
    background-color: #fafbff;
    color: #1a1f3a;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--primary-dark);
}

/* Header Navigation */
header {
    background: var(--gradient-dark);
    box-shadow: var(--shadow-soft);
    border-bottom: 1px solid var(--border-color);
}

header nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

header h1 {
    color: white;
    font-size: 1.5rem;
    margin: 0;
}

header nav ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 1.5rem;
}

header nav a {
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;
    position: relative;
}

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

header nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: width 0.3s ease;
}

header nav a:hover::after {
    width: 100%;
}

/* User Dropdown in Navbar */
.nav-user-dropdown {
    position: relative;
}

.user-dropdown-toggle {
    cursor: pointer;
}

.user-dropdown-toggle i {
    font-size: 1.25rem;
}

.user-dropdown-toggle::after {
    display: none !important;
}

.user-dropdown-menu {
    display: none;
    position: absolute;
    right: -0.5rem;
    top: 100%;
    padding-top: 0.6rem;
    list-style: none;
    margin: 0;
    min-width: 180px;
    z-index: 1050;
    background: transparent;
}

.user-dropdown-menu-inner {
    background: white;
    border-radius: 0.5rem;
    box-shadow: var(--shadow-elevated);
    border: 1px solid var(--border-color);
    padding: 0.5rem 0;
}

.nav-user-dropdown:hover .user-dropdown-menu {
    display: block;
}

.user-dropdown-menu-inner a {
    display: flex;
    align-items: center;
    padding: 0.5rem 1rem;
    color: var(--dark-color);
    text-decoration: none;
    font-weight: 400;
    transition: background 0.15s ease;
    white-space: nowrap;
}

.user-dropdown-menu-inner a::after {
    display: none;
}

.user-dropdown-menu-inner a:hover {
    background: var(--light-secondary);
    color: var(--primary-dark);
}

.user-dropdown-menu-inner .dropdown-divider {
    height: 0;
    border-top: 1px solid var(--border-color);
    margin: 0.35rem 0;
}

/* Admin icon-only nav link */
header nav a[title="Admin Panel"] i {
    font-size: 1.15rem;
}

/* Tools Dropdown in Navbar */
.nav-tools-dropdown {
    position: relative;
}

.tools-dropdown-toggle {
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.tools-dropdown-toggle::after {
    content: '';
    display: inline-block;
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 5px solid rgba(255,255,255,0.7);
    vertical-align: middle;
    transition: transform 0.2s ease;
}

.nav-tools-dropdown:hover .tools-dropdown-toggle::after {
    transform: rotate(180deg);
    border-top-color: var(--accent-color);
}

.tools-dropdown-menu {
    display: none;
    position: absolute;
    left: 0;
    top: 100%;
    padding-top: 0.6rem;
    margin: 0;
    min-width: 180px;
    z-index: 1050;
    background: transparent;
}

.tools-dropdown-menu-inner {
    background: white;
    border-radius: 0.5rem;
    box-shadow: var(--shadow-elevated);
    border: 1px solid var(--border-color);
    padding: 0.5rem 0;
}

.nav-tools-dropdown:hover .tools-dropdown-menu {
    display: block;
}

.tools-dropdown-menu-inner a {
    display: flex;
    align-items: center;
    padding: 0.5rem 1rem;
    color: var(--dark-color);
    text-decoration: none;
    font-weight: 400;
    transition: background 0.15s ease;
    white-space: nowrap;
}

.tools-dropdown-menu-inner a::after {
    display: none;
}

.tools-dropdown-menu-inner a:hover {
    background: var(--light-secondary);
    color: var(--primary-dark);
}

/* Main Content */
main {
    min-height: calc(100vh - 200px);
    padding: 2rem 0;
}

/* Footer */
footer {
    background: var(--gradient-dark);
    color: white;
    text-align: left;
    padding: 1.5rem 0;
    margin-top: 3rem;
    border-top: 1px solid var(--border-color);
}

footer p {
    margin: 0;
    color: rgba(255, 255, 255, 0.8);
}

/* Custom Card Styling */
.card {
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-soft);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    background: white;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-elevated);
    border-color: var(--primary-color);
}

.card .icon-xxl {
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    background: var(--gradient-primary);
    color: white;
    padding: 4rem 2rem;
    border-radius: 1rem;
    margin-bottom: 3rem;
    box-shadow: var(--shadow-soft);
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: white;
}

.hero p {
    color: rgba(255, 255, 255, 0.95);
}

/* Utility Classes */
.text-primary-custom {
    color: var(--primary-color);
}

.bg-light-custom {
    background-color: var(--light-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    header nav .container {
        flex-direction: column;
        gap: 1rem;
    }

    header nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
    }

    .hero h1 {
        font-size: 1.75rem;
    }
}

/* Bootstrap Icon Utilities */
.bi {
    vertical-align: middle;
}

.icon-lg {
    font-size: 1.5rem;
}

.icon-xl {
    font-size: 2rem;
}

.icon-xxl {
    font-size: 3rem;
}

/* Custom Button Styles */
.btn-custom {
    font-family: var(--font-heading);
    font-weight: 500;
    padding: 0.5rem 1.5rem;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
}

.btn-custom:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-soft);
}

.btn-primary {
    background-color: var(--primary-color);
    border: none;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-soft);
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: white;
}

/* Form Enhancements */
.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(139, 169, 193, 0.15);
}

.form-control,
.form-select {
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.form-control:hover,
.form-select:hover {
    border-color: var(--primary-color);
}

/* Alert Customization */
.alert {
    border-radius: 0.5rem;
    border: 1px solid var(--border-color);
}

/* Loading Spinner */
.spinner-custom {
    color: var(--primary-color);
}

/* Pastel Decorative Elements */
.bg-pastel-gradient {
    background: var(--gradient-primary);
}

.text-pastel {
    color: var(--primary-color);
}

.border-pastel {
    border: 1px solid var(--primary-color);
}

/* Link Styling */
a {
    color: var(--primary-color);
    transition: color 0.3s ease;
}

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

/* Code Elements */
code {
    background-color: var(--light-secondary);
    border: 1px solid var(--border-color);
    color: var(--primary-dark);
    padding: 0.2rem 0.5rem;
    border-radius: 0.3rem;
    font-family: 'Courier New', monospace;
}

/* Login/Logout Form Styles */
.input-group-text {
    color: var(--primary-color);
    border-color: var(--border-color);
}

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

.form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.form-check-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(139, 169, 193, 0.15);
}

/* Alert Pastel Variants */
.alert-info {
    background-color: rgba(168, 197, 218, 0.15);
    border-color: rgba(168, 197, 218, 0.3);
    color: var(--primary-dark);
}

.alert-info .bi {
    color: var(--primary-color);
}

/* Icon Sizes */
.icon-lg {
    font-size: 1.5rem;
}

.icon-xl {
    font-size: 2rem;
}

.icon-xxl {
    font-size: 3rem;
}

/* Button Outline Secondary Pastel */
.btn-outline-secondary {
    color: var(--dark-color);
    border-color: var(--border-color);
}

.btn-outline-secondary:hover {
    background-color: var(--light-secondary);
    border-color: var(--primary-color);
    color: var(--primary-dark);
}

/* ============================================
   Admin Sidebar Layout
   ============================================ */

.admin-wrapper {
    display: flex;
    min-height: 100vh;
}

.admin-sidebar {
    width: 260px;
    min-width: 260px;
    background: var(--gradient-dark);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 1000;
    overflow-y: auto;
}

.admin-sidebar-header {
    padding: 1.5rem 1.25rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.admin-sidebar-logo {
    max-height: 36px;
}

.admin-sidebar-title {
    color: white;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.15rem;
}

.admin-sidebar-badge {
    background: rgba(255, 255, 255, 0.15);
    color: rgba(255, 255, 255, 0.8);
    padding: 0.15rem 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.admin-sidebar-nav {
    flex: 1;
    padding: 1rem 0;
}

.admin-nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.7rem 1.25rem;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
}

.admin-nav-link:hover {
    color: white;
    background: rgba(255, 255, 255, 0.05);
    border-left-color: var(--accent-color);
}

.admin-nav-link.active {
    color: white;
    background: rgba(255, 255, 255, 0.1);
    border-left-color: var(--primary-light);
}

.admin-nav-link i {
    font-size: 1.1rem;
    width: 1.25rem;
    text-align: center;
}

.admin-sidebar-footer {
    padding: 0.75rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: auto;
}

.admin-content {
    flex: 1;
    margin-left: 260px;
    padding: 2rem;
    background-color: #fafbff;
    min-height: 100vh;
}

.admin-content .card:hover {
    transform: none;
}

@media (max-width: 991.98px) {
    .admin-sidebar {
        width: 220px;
        min-width: 220px;
    }

    .admin-content {
        margin-left: 220px;
    }
}

@media (max-width: 767.98px) {
    .admin-wrapper {
        flex-direction: column;
    }

    .admin-sidebar {
        position: relative;
        width: 100%;
        min-width: 100%;
        flex-direction: row;
        flex-wrap: wrap;
    }

    .admin-sidebar-header {
        width: 100%;
        padding: 1rem 1.25rem;
    }

    .admin-sidebar-nav {
        display: flex;
        width: 100%;
        padding: 0;
        overflow-x: auto;
    }

    .admin-nav-link {
        border-left: none;
        border-bottom: 3px solid transparent;
        padding: 0.6rem 1rem;
        white-space: nowrap;
    }

    .admin-nav-link:hover {
        border-left-color: transparent;
        border-bottom-color: var(--accent-color);
    }

    .admin-nav-link.active {
        border-left-color: transparent;
        border-bottom-color: var(--primary-light);
    }

    .admin-sidebar-footer {
        display: flex;
        width: 100%;
        border-top: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        padding: 0;
    }

    .admin-content {
        margin-left: 0;
        padding: 1.5rem;
    }
}