/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2d5016;
    --secondary-color: #4a7c2a;
    --accent-color: #6b9e3e;
    --text-color: #333;
    --text-light: #666;
    --bg-color: #f5f5f5;
    --white: #ffffff;
    --border-color: #ddd;
    --font-size-base: 16px;
    --font-size-large: 20px;
    --font-size-xlarge: 24px;
    --font-size-small: 14px;
    --spacing: 1rem;
    --border-radius: 8px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    min-height: 100vh;
}

/* Text Size Settings */
body.font-small {
    --font-size-base: 14px;
    --font-size-large: 18px;
    --font-size-xlarge: 20px;
    --font-size-small: 12px;
}

body.font-large {
    --font-size-base: 18px;
    --font-size-large: 22px;
    --font-size-xlarge: 28px;
    --font-size-small: 16px;
}

body.font-xlarge {
    --font-size-base: 20px;
    --font-size-large: 24px;
    --font-size-xlarge: 32px;
    --font-size-small: 18px;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing);
}

/* Header */
header {
    background-color: var(--primary-color);
    color: var(--white);
    padding: var(--spacing);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

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

header h1 {
    font-size: var(--font-size-xlarge);
    font-weight: 700;
    margin: 0;
    flex: 1;
}

/* Navigation Menu */
nav {
    background-color: var(--white);
    border-bottom: 2px solid var(--border-color);
    padding: var(--spacing);
}

.menu {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: calc(var(--spacing) / 2);
}

.menu-item {
    flex: 1;
    min-width: 150px;
    max-width: 300px;
}

.menu-button {
    display: block;
    width: 100%;
    padding: calc(var(--spacing) * 1.5);
    background-color: var(--secondary-color);
    color: var(--white);
    text-decoration: none;
    text-align: center;
    border-radius: var(--border-radius);
    font-size: var(--font-size-large);
    font-weight: 700;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.1s;
    font-family: inherit;
}

.menu-button:hover {
    background-color: var(--accent-color);
    transform: translateY(-2px);
}

.menu-button:active {
    transform: translateY(0);
}

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

/* Cards */
.card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: calc(var(--spacing) * 1.5);
    margin-bottom: var(--spacing);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.card-title {
    font-size: var(--font-size-large);
    font-weight: 700;
    margin-bottom: var(--spacing);
    color: var(--primary-color);
}

/* Forms */
.form-group {
    margin-bottom: calc(var(--spacing) * 1.5);
}

.form-label {
    display: block;
    margin-bottom: calc(var(--spacing) / 2);
    font-weight: 600;
    font-size: var(--font-size-base);
    color: var(--text-color);
}

.form-input {
    width: 100%;
    padding: calc(var(--spacing) * 0.75);
    font-size: var(--font-size-base);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-family: inherit;
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-color);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: calc(var(--spacing) * 0.75) calc(var(--spacing) * 1.5);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: background-color 0.3s, transform 0.1s;
    font-family: inherit;
}

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

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

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

.btn-secondary:hover {
    background-color: #555;
}

.btn-danger {
    background-color: #dc3545;
    color: var(--white);
}

.btn-danger:hover {
    background-color: #c82333;
}

.btn-large {
    padding: calc(var(--spacing) * 1.25) calc(var(--spacing) * 2);
    font-size: var(--font-size-large);
    font-weight: 700;
}

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

/* User Panel (Profile + Auth) - u headeru */
.user-panel {
    display: flex;
    align-items: center;
    gap: calc(var(--spacing) / 2);
}

.user-name {
    color: var(--white);
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-right: calc(var(--spacing) / 4);
    white-space: nowrap;
}

.profile-link {
    display: inline-flex;
    width: 44px;
    height: 44px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: transform 0.2s, background-color 0.2s;
    border: 2px solid rgba(255, 255, 255, 0.3);
    padding: 0;
    margin: 0;
}

.profile-link:hover {
    transform: scale(1.1);
    background-color: rgba(255, 255, 255, 0.3);
}

.profile-icon {
    font-size: 24px;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
}

.auth-button {
    padding: calc(var(--spacing) / 2) var(--spacing);
    background-color: rgba(255, 255, 255, 0.2);
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s, border-color 0.3s;
    font-family: inherit;
}

.auth-button:hover {
    background-color: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
}

/* Settings Panel (za ostale stranice gdje se još koristi) */
.settings-panel {
    position: fixed;
    top: 10px;
    right: 10px;
    background-color: var(--white);
    padding: calc(var(--spacing) / 2);
    border-radius: var(--border-radius);
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
    z-index: 1000;
}

.settings-button {
    background: none;
    border: none;
    font-size: var(--font-size-large);
    cursor: pointer;
    padding: calc(var(--spacing) / 2);
}

.settings-menu {
    display: none;
    margin-top: calc(var(--spacing) / 2);
    padding-top: calc(var(--spacing) / 2);
    border-top: 1px solid var(--border-color);
}

.settings-panel.open .settings-menu {
    display: block;
}

.settings-option {
    display: block;
    width: 100%;
    padding: calc(var(--spacing) / 2);
    text-align: left;
    background: none;
    border: none;
    cursor: pointer;
    font-size: var(--font-size-base);
    font-family: inherit;
}

.settings-option:hover {
    background-color: var(--bg-color);
}

/* Messages */
.message {
    padding: var(--spacing);
    margin-bottom: var(--spacing);
    border-radius: var(--border-radius);
    font-weight: 600;
}

.message-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.message-error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.message-info {
    background-color: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

/* Loading Spinner */
.spinner {
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--accent-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: calc(var(--spacing) / 2);
    }
    
    .menu {
        flex-direction: column;
    }
    
    .menu-item {
        max-width: 100%;
    }
    
    main {
        padding: var(--spacing) calc(var(--spacing) / 2);
    }
    
    .settings-panel {
        top: 5px;
        right: 5px;
    }
}

/* Hidden */
.hidden {
    display: none !important;
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mt-1 { margin-top: var(--spacing); }
.mt-2 { margin-top: calc(var(--spacing) * 2); }
.mb-1 { margin-bottom: var(--spacing); }
.mb-2 { margin-bottom: calc(var(--spacing) * 2); }

/* Checkbox Styles */
input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--primary-color);
    flex-shrink: 0;
}

label:has(input[type="checkbox"]) {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    cursor: pointer;
    font-weight: normal;
    line-height: 1.5;
}

label:has(input[type="checkbox"]) input[type="checkbox"] {
    margin-top: 0.25rem;
}

/* Page Title in Main Section */
.page-title {
    font-size: var(--font-size-xlarge);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: calc(var(--spacing) * 1.5);
    padding-bottom: calc(var(--spacing) / 2);
    border-bottom: 2px solid var(--border-color);
}

/* News Modal */
.news-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.news-modal .card {
    max-width: 800px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
}

.news-modal .card button {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--text-color);
    padding: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.news-modal .card button:hover {
    color: var(--primary-color);
}

/* News Item - clickable */
.news-item {
    transition: transform 0.2s, box-shadow 0.2s;
}

.news-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}