/* ==================== RESET & VARIABLES ==================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #195F3C;
    --primary-hover: #124a2e;
    --secondary-color: #5f6368;
    --success-color: #34a853;
    --error-color: #ea4335;
    --background: #f8f9fa;
    --card-background: #ffffff;
    --border-color: #dadce0;
    --text-primary: #202124;
    --text-secondary: #5f6368;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
}

/* ==================== LAYOUT ==================== */

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px;
}

header {
    text-align: center;
    margin-bottom: 40px;
    padding: 30px 0;
    position: relative;
}

.header-logo {
    max-width: 175px;
    height: auto;
}

/* ==================== CARDS ==================== */

.card {
    background: var(--card-background);
    border-radius: 8px;
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.card h2 {
    font-size: 1.5rem;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.card-header h2 {
    margin: 0;
}

/* ==================== BUTTONS ==================== */

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
    font-weight: 500;
}

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

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

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

.btn-secondary:hover {
    background-color: #4a4d50;
}

.btn-danger {
    background-color: var(--error-color);
    color: white;
    padding: 6px 12px;
    font-size: 0.9rem;
}

.btn-danger:hover {
    background-color: #d33828;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-full {
    width: 100%;
    margin-top: 8px;
}

/* ==================== STATUS MESSAGES ==================== */

.status-message {
    margin-top: 12px;
    padding: 12px;
    border-radius: 4px;
    font-weight: 500;
}

.status-message:empty {
    display: none;
}

.status-message.success {
    background-color: #e6f4ea;
    color: var(--success-color);
    border: 1px solid var(--success-color);
}

.status-message.error {
    background-color: #fce8e6;
    color: var(--error-color);
    border: 1px solid var(--error-color);
}

.status-message.loading {
    background-color: #e8f0fe;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

/* ==================== LOADING SPINNER ==================== */

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

.loading-section {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 200px;
    padding: 40px;
}

.loading-section .spinner {
    width: 40px;
    height: 40px;
}

.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ==================== USER MENU ==================== */

.user-menu {
    position: absolute;
    top: 0;
    right: 0;
}

.user-button {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    cursor: pointer;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 0.95rem;
    color: var(--text-primary);
    transition: all 0.2s ease;
}

.user-button:hover {
    background: var(--background);
    border-color: var(--primary-color);
}

.user-button .arrow {
    font-size: 0.8rem;
    transition: transform 0.2s ease;
}

.user-menu.open .user-button .arrow {
    transform: rotate(180deg);
}

.user-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 8px;
    background: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    min-width: 200px;
    z-index: 100;
}

.user-menu.open .user-dropdown {
    display: block;
}

.user-info {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.user-info strong {
    color: var(--primary-color);
}

.dropdown-item {
    display: block;
    width: 100%;
    padding: 12px 16px;
    text-align: left;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 0.95rem;
    color: var(--error-color);
    transition: background-color 0.2s ease;
    text-decoration: none;
}

.dropdown-item:hover {
    background-color: var(--background);
}

/* Navigation Items */
.dropdown-divider {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 0;
}

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

.nav-item:hover {
    background-color: var(--background);
}

.nav-item.active {
    background-color: var(--primary-color);
    color: white;
}

.nav-item.active:hover {
    background-color: var(--primary-hover);
}

/* ==================== RESPONSIVE ==================== */

@media (max-width: 768px) {
    .container {
        padding: 12px;
    }

    header h1 {
        font-size: 2rem;
    }

    .card {
        padding: 16px;
    }

    .user-menu {
        position: static;
        text-align: right;
        margin-bottom: 16px;
    }
}