/* === VARIABLEN === */
:root {
    --color-primary: #4a90d9;
    --color-primary-dark: #3a7bc8;
    --color-success: #5aba47;
    --color-error: #c92127;
    --color-warning: #f5a623;

    --color-bg: #f5f5f5;
    --color-card: #ffffff;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-border: #e0e0e0;

    --tile-blue: #4a90d9;
    --tile-green: #5aba47;
    --tile-purple: #9b59b6;
    --tile-orange: #f5a623;
    --tile-red: #e74c3c;

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

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;

    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.15);

    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* === RESET === */
*, *::before, *::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: var(--font-family);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* === LAYOUT === */
.app-header {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-card);
    border-bottom: 1px solid var(--color-border);
}

.logo {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--color-primary);
    text-decoration: none;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.user-name {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

.btn-logout {
    font-size: 0.875rem;
    color: var(--color-text-light);
    text-decoration: none;
}

.btn-logout:hover {
    color: var(--color-error);
}

.app-main {
    padding: var(--spacing-md);
    max-width: 800px;
    margin: 0 auto;
}

/* === DASHBOARD === */
.dashboard__title {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0 0 var(--spacing-md);
}

.tiles {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
}

@media (max-width: 480px) {
    .tiles {
        grid-template-columns: 1fr;
    }
}

.tile {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg) var(--spacing-md);
    background: var(--color-card);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow);
    text-decoration: none;
    color: white;
    transition: transform 0.2s, box-shadow 0.2s;
}

.tile:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.tile--blue { background: linear-gradient(135deg, var(--tile-blue), #357abd); }
.tile--green { background: linear-gradient(135deg, var(--tile-green), #4a9e3a); }
.tile--purple { background: linear-gradient(135deg, var(--tile-purple), #8e44ad); }
.tile--orange { background: linear-gradient(135deg, var(--tile-orange), #e09400); }
.tile--red { background: linear-gradient(135deg, var(--tile-red), #c0392b); }

.tile__icon {
    margin-bottom: var(--spacing-sm);
}

.tile__icon svg {
    width: 48px;
    height: 48px;
}

.tile__title {
    font-size: 1rem;
    font-weight: 600;
    margin: 0;
    text-align: center;
}

/* === PAGE CONTENT === */
.page-content {
    padding-bottom: var(--spacing-xl);
}

.back-link {
    display: inline-block;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
    text-decoration: none;
    font-size: 0.875rem;
}

.page-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 0 var(--spacing-md);
}

.page-intro {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

.empty-state {
    text-align: center;
    color: var(--color-text-light);
    padding: var(--spacing-xl);
}

/* === NEWS === */
.news-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.news-item {
    background: var(--color-card);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.news-item__image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.news-item__content {
    padding: var(--spacing-md);
}

.news-item__date {
    font-size: 0.75rem;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.news-item__title {
    font-size: 1.125rem;
    font-weight: 600;
    margin: var(--spacing-xs) 0;
}

.news-item__text {
    color: var(--color-text-light);
    font-size: 0.9375rem;
}

/* === O.R.A. === */
.ora-info {
    background: var(--color-card);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    text-align: center;
    color: var(--color-text-light);
}

.ora-section {
    margin-bottom: var(--spacing-lg);
}

.ora-section__title {
    font-size: 1.125rem;
    font-weight: 600;
    margin: 0 0 var(--spacing-sm);
    color: var(--color-primary);
}

.ora-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.ora-item {
    background: var(--color-card);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow);
}

.ora-item__title {
    font-size: 1rem;
    font-weight: 600;
    margin: 0 0 var(--spacing-xs);
}

.ora-item__text {
    color: var(--color-text-light);
    font-size: 0.9375rem;
    margin: 0;
}

/* === DOWNLOAD CARD === */
.download-card {
    background: var(--color-card);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.download-card__preview {
    padding: var(--spacing-md);
}

.download-card__preview img {
    width: 100%;
    border-radius: var(--radius-sm);
}

.download-card .btn {
    border-radius: 0;
}

/* === EVENTS === */
.events-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.event-item {
    display: flex;
    gap: var(--spacing-md);
    background: var(--color-card);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow);
}

.event-item__date {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 60px;
    padding: var(--spacing-sm);
    background: var(--color-primary);
    color: white;
    border-radius: var(--radius-sm);
    text-align: center;
}

.event-item__day {
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1;
}

.event-item__month {
    font-size: 0.75rem;
    text-transform: uppercase;
}

.event-item__content {
    flex: 1;
}

.event-item__title {
    font-size: 1rem;
    font-weight: 600;
    margin: 0 0 var(--spacing-xs);
}

.event-item__location {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin: 0 0 var(--spacing-xs);
}

.event-item__location svg {
    width: 14px;
    height: 14px;
}

.event-item__description {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

/* === FORMS === */
.form-card {
    background: var(--color-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow);
}

.form-card h2 {
    font-size: 1.125rem;
    margin: 0 0 var(--spacing-xs);
}

.form-intro {
    color: var(--color-text-light);
    font-size: 0.875rem;
    margin: 0 0 var(--spacing-md);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
    font-size: 0.875rem;
}

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

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(74, 144, 217, 0.15);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-group--checkbox label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    cursor: pointer;
}

.form-group--checkbox input {
    width: auto;
}

.form-hint {
    display: block;
    margin-top: 4px;
    font-size: 0.75rem;
    color: var(--color-text-light);
}

/* === BUTTONS === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 12px 24px;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
}

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

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

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

.btn--full {
    width: 100%;
}

/* === ALERTS === */
.alert {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    margin-top: var(--spacing-md);
}

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

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

/* === LOGIN PAGE === */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

.login-container {
    width: 100%;
    max-width: 400px;
}

.login-card {
    background: var(--color-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.login-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 0 var(--spacing-xs);
    text-align: center;
    color: var(--color-primary);
}

.login-subtitle {
    text-align: center;
    color: var(--color-text-light);
    margin: 0 0 var(--spacing-lg);
    font-size: 0.875rem;
}

/* === SAFE AREA (iOS) === */
@supports (padding: env(safe-area-inset-bottom)) {
    .app-main {
        padding-bottom: calc(var(--spacing-md) + env(safe-area-inset-bottom));
    }
}