/**
 * Karo Strategija - Styles
 * Desktop-first layout with no full-page scroll (§12.2)
 */

/* ============================================================================
   RESET & BASE
   ============================================================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-primary: #2c3e50;
    --color-secondary: #34495e;
    --color-accent: #3498db;
    --color-success: #27ae60;
    --color-warning: #f39c12;
    --color-danger: #e74c3c;
    --color-bg: #ecf0f1;
    --color-bg-light: #ffffff;
    --color-text: #2c3e50;
    --color-text-light: #7f8c8d;
    --color-border: #bdc3c7;

    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;

    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.25rem;
    --font-size-xl: 1.5rem;
    --font-size-xxl: 2rem;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    color: var(--color-text);
    background: var(--color-bg);
    overflow: hidden; /* No full-page scroll (§12.2) */
    height: 100vh;
}

/* ============================================================================
   LAYOUT - No full-page scroll
   ============================================================================ */
.app-container {
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Hide inactive screens */
.screen {
    display: none;
}

.screen.active {
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

/* ============================================================================
   LANDING SCREEN
   ============================================================================ */
.landing-screen {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: white;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: var(--spacing-xl);
}

.landing-content {
    max-width: 800px;
}

.landing-content h1 {
    font-size: var(--font-size-xxl);
    margin-bottom: var(--spacing-md);
}

.landing-content p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

.landing-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

.landing-features {
    margin-top: var(--spacing-xl);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
}

.feature-card {
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-md);
    border-radius: 8px;
}

/* ============================================================================
   AUTH SCREEN
   ============================================================================ */
.auth-screen {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    justify-content: center;
    align-items: center;
    padding: var(--spacing-xl);
}

.auth-container {
    background: var(--color-bg-light);
    padding: var(--spacing-xl);
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    width: 100%;
    max-width: 400px;
}

.auth-container h2 {
    margin-bottom: var(--spacing-lg);
    color: var(--color-primary);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.auth-switch {
    margin-top: var(--spacing-md);
    text-align: center;
    font-size: var(--font-size-sm);
}

.auth-switch a {
    color: var(--color-accent);
    cursor: pointer;
    text-decoration: none;
}

.auth-switch a:hover {
    text-decoration: underline;
}

/* ============================================================================
   CABINET SCREEN
   ============================================================================ */
.cabinet-screen {
    background: var(--color-bg);
}

.cabinet-header {
    background: var(--color-bg-light);
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cabinet-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
}

.cabinet-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.game-card {
    background: var(--color-bg-light);
    padding: var(--spacing-md);
    border-radius: 8px;
    border: 1px solid var(--color-border);
    transition: transform 0.2s, box-shadow 0.2s;
}

.game-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.game-card-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.game-card-flag {
    font-size: var(--font-size-xl);
}

.game-card-info {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
}

.game-card-actions {
    display: flex;
    gap: var(--spacing-sm);
}

/* ============================================================================
   GAME SCREEN (§12.2 layout)
   ============================================================================ */
.game-screen {
    background: var(--color-bg);
}

.game-header {
    background: var(--color-primary);
    color: white;
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.game-info {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.game-main {
    flex: 1;
    display: grid;
    grid-template-columns: 250px 1fr 300px;
    gap: 0;
    overflow: hidden;
    height: calc(100vh - 60px); /* header height */
}

/* Left panel: Resources */
.game-left {
    background: var(--color-bg-light);
    border-right: 1px solid var(--color-border);
    overflow-y: auto;
    padding: var(--spacing-md);
}

.resource-item {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-border);
}

.resource-item:last-child {
    border-bottom: none;
}

.resource-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-bottom: 2px;
}

.resource-value {
    font-weight: 600;
    font-size: var(--font-size-lg);
}

.resource-change {
    font-size: var(--font-size-sm);
    margin-left: var(--spacing-xs);
}

.resource-change.positive {
    color: var(--color-success);
}

.resource-change.negative {
    color: var(--color-danger);
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--color-border);
    border-radius: 4px;
    overflow: hidden;
    margin-top: 4px;
}

.progress-bar-fill {
    height: 100%;
    background: var(--color-accent);
    transition: width 0.3s;
}

/* Center panel: Narrative + Action */
.game-center {
    display: flex;
    flex-direction: column;
    background: var(--color-bg-light);
    overflow: hidden;
}

.narrative-panel {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.turn-entry {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.turn-entry:last-child {
    border-bottom: none;
}

.turn-header {
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.turn-player-action {
    background: #f8f9fa;
    padding: var(--spacing-sm);
    border-left: 3px solid var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.turn-narrative {
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
}

.action-panel {
    padding: var(--spacing-md);
    background: var(--color-bg);
    border-top: 2px solid var(--color-border);
}

.action-panel h3 {
    margin-bottom: var(--spacing-sm);
}

.action-textarea {
    width: 100%;
    min-height: 120px;
    padding: var(--spacing-sm);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    resize: vertical;
}

.action-submit {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--spacing-sm);
}

.submit-hint {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

/* Right panel: Map + Events */
.game-right {
    background: var(--color-bg-light);
    border-left: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.map-panel {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
    min-height: 200px;
    background: #f8f9fa;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-light);
}

.events-panel {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md);
}

.event-item {
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    background: #f8f9fa;
    border-left: 3px solid var(--color-warning);
    border-radius: 4px;
    font-size: var(--font-size-sm);
}

/* ============================================================================
   NEW GAME MODAL
   ============================================================================ */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-lg);
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--color-bg-light);
    padding: var(--spacing-xl);
    border-radius: 12px;
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.modal-close {
    cursor: pointer;
    font-size: var(--font-size-xl);
    color: var(--color-text-light);
}

.country-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.country-option {
    padding: var(--spacing-md);
    border: 2px solid var(--color-border);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
}

.country-option:hover {
    border-color: var(--color-accent);
}

.country-option.selected {
    border-color: var(--color-accent);
    background: rgba(52, 152, 219, 0.1);
}

.country-flag {
    font-size: var(--font-size-xxl);
    margin-bottom: var(--spacing-xs);
}

.country-name {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.country-difficulty {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

/* ============================================================================
   FORM ELEMENTS
   ============================================================================ */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--color-text);
}

.form-input,
.form-select {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
}

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

/* ============================================================================
   BUTTONS
   ============================================================================ */
.btn {
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: 4px;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    cursor: pointer;
    transition: all 0.2s;
    font-weight: 500;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background: #2980b9;
}

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

.btn-secondary:hover:not(:disabled) {
    background: #2c3e50;
}

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

.btn-success:hover:not(:disabled) {
    background: #229954;
}

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

.btn-danger:hover:not(:disabled) {
    background: #c0392b;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text);
}

.btn-outline:hover:not(:disabled) {
    background: var(--color-bg);
}

.btn-sm {
    padding: 0.5rem 0.75rem;
    font-size: var(--font-size-sm);
}

/* ============================================================================
   UTILITIES
   ============================================================================ */
.text-center {
    text-align: center;
}

.text-muted {
    color: var(--color-text-light);
}

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

.hidden {
    display: none !important;
}

/* Loading spinner */
.spinner {
    border: 3px solid var(--color-border);
    border-top: 3px solid var(--color-accent);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: var(--spacing-lg) auto;
}

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

/* Alert messages */
.alert {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 4px;
    margin-bottom: var(--spacing-md);
}

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

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

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