/* Base Styles */
:root {
    --primary-color: #38bdf8;
    --primary-hover: #0ea5e9;
    --secondary-color: #64748b;
    --error-color: #dc2626;
    --success-color: #059669;
    --bg-color: #f5f7fa;
    --card-color: #ffffff;
    --text-color: #333333;
    --border-color: #e2e8f0;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

body.dark-mode {
    --bg-color: #1e293b;
    --card-color: #334155;
    --text-color: #f8fafc;
    --border-color: #475569;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Raleway', 'Poppins', sans-serif;
    transition: background-color 0.3s ease, color 0.3s ease;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

/* Navbar Styles */
.navbar {
    width: 100%;
    background: var(--card-color);
    color: var(--text-color);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    padding: 10px 15px;
    position: relative;
    z-index: 10;
    border-bottom: 1px solid var(--border-color);
}

.navbar-logo {
    font-size: 1.5rem;
    font-weight: bold;
    letter-spacing: 0.5px;
    color: var(--text-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    margin-right: auto;
    transition: transform 0.25s, box-shadow 0.25s;
}
.navbar-links {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: 15px;
    align-items: flex-start;
    padding: 15px 0;
    order: 3;
}

.navbar-links.active {
    display: flex;
}

.navbar-links a {
    color: var(--text-color);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.2s;
    padding: 5px 0;
    width: 100%;
    display: block;
    position: relative;
}

.navbar-links a:hover {
    color: var(--primary-color);
}

.navbar-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background: currentColor;
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.navbar-links a:hover::after {
    transform: scaleX(1);
}

.navbar-links a.active {
    color: var(--primary-color);
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-left: auto;
}

.navbar-btn {
    border-radius: 18px;
    border: none;
    background: var(--primary-color);
    color: white;
    padding: 6px 15px;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    box-shadow: 0 2px 8px rgba(56,189,248,0.08);
    outline: none;
    display: inline-block;
}

.navbar-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-2px) scale(1.04);
    box-shadow: 0 4px 12px rgba(56,189,248,0.18);
}

.theme-toggle-btn {
    background: var(--border-color);
    border: none;
    cursor: pointer;
    position: relative;
    width: 56px;
    height: 28px;
    border-radius: 14px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    padding: 3px;
}

#themeIcon {
    position: absolute;
    width: 22px;
    height: 22px;
    background: var(--card-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    transform: translateX(0);
    transition: transform 0.3s ease;
    box-shadow: var(--shadow);
}

.theme-toggle-btn.dark {
    background: #1e293b;
}

.theme-toggle-btn.dark #themeIcon {
    transform: translateX(28px);
    background: var(--primary-color);
}

.hamburger {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    width: 28px;
    height: 24px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    margin-left: 10px;
    z-index: 10;
}

.hamburger span {
    width: 100%;
    height: 3px;
    background: var(--text-color);
    border-radius: 3px;
    transition: all 0.3s ease;
    transform-origin: left center;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(1px, -1px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(1px, 1px);
}

/* Container and Content Styles */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.btn {
    padding: 12px 20px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s;
    display: inline-block;
    text-align: center;
}

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

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background: var(--secondary-hover);
}

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

.message {
    padding: 10px;
    border-radius: 6px;
    margin: 10px 0;
    text-align: center;
}

.error-message {
    background-color: rgba(220, 38, 38, 0.1);
    color: var(--error-color);
}

.success-message {
    background-color: rgba(5, 150, 105, 0.1);
    color: var(--success-color);
}

.loading {
    text-align: center;
    padding: 20px;
    color: var(--secondary-color);
}

.empty-state {
    text-align: center;
    padding: 40px;
    color: var(--secondary-color);
}

.error-state {
    text-align: center;
    padding: 40px;
    color: var(--error-color);
}

/* Desktop Styles */
@media (min-width: 768px) {
    .navbar {
        flex-wrap: nowrap;
        padding: 0 20px;
        height: 64px;
    }
    
    .navbar-logo {
        margin-right: 0;
    }
    
    .navbar-links {
        display: flex;
        flex-direction: row;
        width: auto;
        gap: 20px;
        padding: 0;
        order: 0;
        margin: 0 auto;
    }
    
    .navbar-links a {
        width: auto;
        padding: 2px 8px;
        font-size: 0.89rem;
    }
    
    .navbar-actions {
        margin-left: 0;
    }
    
    .hamburger {
        display: none;
    }
}