/**
 * Tipptreff Admin League Manager - Styles
 * Modern, responsive UI with pure CSS
 */

:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-dark: #1e40af;
    --secondary-color: #64748b;
    --secondary-hover: #475569;
    --success-color: #22c55e;
    --success-bg: #dcfce7;
    --warning-color: #f59e0b;
    --warning-bg: #fef3c7;
    --error-color: #dc2626;
    --error-bg: #fee2e2;
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --text-color: #1e293b;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --border-radius: 8px;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
}

/* Login Page */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-container {
    width: 100%;
    max-width: 420px;
}

.login-card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    padding: 40px;
    animation: fadeInUp 0.5s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-header h1 {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 8px;
}

.login-header .subtitle {
    font-size: 1rem;
    color: var(--text-muted);
    font-weight: 400;
}

/* Alerts */
.alert {
    padding: 12px 16px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    font-size: 0.875rem;
}

.alert-error {
    background-color: var(--error-bg);
    color: var(--error-color);
    border: 1px solid #fecaca;
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-color);
    margin-bottom: 6px;
}

.form-group label .required {
    color: var(--error-color);
    margin-left: 2px;
}

.form-group input {
    width: 100%;
    padding: 12px 16px;
    font-size: 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background-color: #fff;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group input::placeholder {
    color: #94a3b8;
}

.form-group input.error {
    border-color: var(--error-color);
}

.validation-message {
    display: block;
    font-size: 0.75rem;
    color: var(--error-color);
    margin-top: 4px;
    min-height: 18px;
}

.login-form {
    margin-bottom: 24px;
}

.login-footer {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 500;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

.btn-block {
    width: 100%;
}

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

.btn-primary:hover:not(:disabled) {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

.btn-primary:disabled {
    background-color: #93c5fd;
    cursor: not-allowed;
}

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

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

.btn-small {
    padding: 8px 16px;
    font-size: 0.875rem;
}

.btn-warning {
    background-color: var(--warning-bg);
    color: #92400e;
    border: 1px solid #fcd34d;
}

.btn-warning:hover:not(:disabled) {
    background-color: #fcd34d;
}

/* Dashboard Page */
.dashboard-page {
    background-color: var(--bg-color);
}

.main-header {
    background-color: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    padding: 16px 24px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.main-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 16px;
}

.user-info .username {
    font-size: 0.875rem;
    color: var(--text-muted);
    font-weight: 500;
}

.main-content {
    padding: 32px 24px;
    max-width: 1200px;
    margin: 0 auto;
}

/* Form Card */
.form-card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 32px;
}

.form-card h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.form-description {
    color: var(--text-muted);
    margin-bottom: 24px;
    font-size: 0.875rem;
}

/* Form Grid */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

/* Form Actions */
.form-actions {
    display: flex;
    gap: 12px;
    margin-bottom: 32px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--border-color);
}

/* Actions Section */
.actions-section {
    margin-top: 8px;
}

.actions-section h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-color);
}

.actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
}

.btn-action {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background-color: #f8fafc;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    text-align: left;
    transition: all 0.2s;
}

.btn-action:hover:not(:disabled) {
    border-color: var(--primary-color);
    background-color: #eff6ff;
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

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

.btn-action .action-icon {
    font-size: 2rem;
    line-height: 1;
}

.btn-action .action-text {
    display: flex;
    flex-direction: column;
}

.btn-action .action-text strong {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-color);
}

.btn-action .action-text small {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 400;
}

/* Status Area */
.status-area {
    margin-top: 24px;
    padding: 16px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    gap: 12px;
}

.status-area.hidden {
    display: none;
}

.status-area.loading {
    background-color: #eff6ff;
    border: 1px solid #bfdbfe;
    color: var(--primary-color);
}

.status-area.error {
    background-color: var(--error-bg);
    border: 1px solid #fecaca;
    color: var(--error-color);
}

.status-area.success {
    background-color: var(--success-bg);
    border: 1px solid #bbf7d0;
    color: var(--success-color);
}

.status-content {
    display: flex;
    align-items: center;
    gap: 12px;
}

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid #bfdbfe;
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Result Area */
.result-area {
    margin-top: 24px;
    text-align: center;
}

.result-area.hidden {
    display: none;
}

.ok-display {
    font-size: 4rem;
    font-weight: 700;
    color: var(--success-color);
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: pulse 0.5s ease-out;
}

@keyframes pulse {
    0% {
        transform: scale(0.5);
        opacity: 0;
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.ok-label {
    font-size: 1.5rem;
    color: var(--success-color);
    font-weight: 600;
    margin-top: 8px;
}

.error-display {
    font-size: 1.125rem;
    color: var(--error-color);
    font-weight: 500;
}

.error-details {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: 8px;
}

/* Responsive */
@media (max-width: 768px) {
    .login-card {
        padding: 24px;
    }
    
    .form-card {
        padding: 20px;
    }
    
    .header-content {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .main-header h1 {
        font-size: 1.25rem;
    }
    
    .actions-grid {
        grid-template-columns: 1fr;
    }
    
    .btn-action {
        padding: 16px;
    }
    
    .ok-display {
        font-size: 3rem;
    }
}

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

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}