:root {
    --color-bg: #f7f5f0;
    --color-text: #2b2b2b;
    --color-primary: #2f6f4f;
    --color-primary-dark: #235939;
    --color-border: #ddd7c9;
    --touch-target: 48px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    padding-bottom: calc(var(--touch-target) + 24px);
}

input, button {
    font-size: 16px; /* verhindert Auto-Zoom auf iOS */
}

/* --- Topbar --- */
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    background: var(--color-primary);
    color: white;
    position: sticky;
    top: 0;
    z-index: 10;
}
.topbar-title { font-weight: 600; }
.topbar-logout { color: white; text-decoration: none; opacity: 0.85; }

/* --- Content --- */
.content { padding: 16px; max-width: 640px; margin: 0 auto; }

/* --- Login --- */
.login-box { max-width: 360px; margin: 40px auto; }
.login-box h1 { text-align: center; margin-bottom: 24px; }
.login-box form { display: flex; flex-direction: column; gap: 8px; }
.login-box label { font-weight: 600; margin-top: 8px; }
.login-box input {
    padding: 12px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
}
.login-box button {
    margin-top: 20px;
    padding: 14px;
    min-height: var(--touch-target);
    border: none;
    border-radius: 8px;
    background: var(--color-primary);
    color: white;
    font-weight: 600;
}
.error { color: #b3261e; }

/* --- Bottom nav --- */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    background: white;
    border-top: 1px solid var(--color-border);
    padding: 8px 16px calc(8px + env(safe-area-inset-bottom));
    gap: 12px;
}
.bottom-nav a {
    flex: 1;
    text-align: center;
    padding: 12px;
    min-height: var(--touch-target);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    text-decoration: none;
    color: var(--color-text);
    font-weight: 600;
}
.bottom-nav-primary {
    background: var(--color-primary);
    color: white !important;
}

/* --- Galerie --- */
.day-heading { font-size: 1.1rem; margin: 20px 0 8px; }
.photo-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
}
.photo-tile {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid var(--color-border);
}
.photo-link { display: block; text-decoration: none; color: inherit; }
.photo-tile img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; display: block; }
.photo-uploader {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--color-primary-dark);
    padding: 6px 8px 0;
    margin: 0;
}
.photo-caption-block { padding: 2px 8px 8px; }
.photo-caption-text { font-size: 0.8rem; margin: 4px 0; }
.photo-caption-text:empty { display: none; }
.photo-caption-pending { font-size: 0.8rem; color: #888; font-style: italic; margin: 4px 0; }
.caption-edit-btn {
    display: block;
    width: 100%;
    font-size: 0.75rem;
    padding: 8px;
    min-height: 36px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    background: var(--color-bg);
    color: var(--color-primary-dark);
}
.caption-form { display: none; margin-top: 6px; }
.photo-caption-block.editing .caption-edit-btn,
.photo-caption-block.editing .photo-caption-text,
.photo-caption-block.editing .photo-caption-pending {
    display: none;
}
.photo-caption-block.editing .caption-form { display: block; }
.caption-form textarea {
    width: 100%;
    padding: 8px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-family: inherit;
    resize: vertical;
}
.caption-form-actions { display: flex; gap: 8px; margin-top: 6px; }
.caption-form-actions button {
    flex: 1;
    padding: 10px;
    min-height: 44px;
    border-radius: 6px;
    border: none;
    font-weight: 600;
}
.caption-form-actions button[type="submit"] { background: var(--color-primary); color: white; }
.caption-cancel-btn { background: #eee; color: var(--color-text); }
.empty-state { text-align: center; color: #888; margin-top: 40px; }

/* --- Upload --- */
.upload-picker {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 120px;
    border: 2px dashed var(--color-primary);
    border-radius: 12px;
    color: var(--color-primary-dark);
    font-weight: 600;
    cursor: pointer;
}
.upload-picker input { display: none; }
.upload-queue { list-style: none; padding: 0; margin-top: 20px; }
.upload-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 10px 0;
    border-bottom: 1px solid var(--color-border);
}
.upload-item progress { width: 100%; height: 8px; }
.upload-done .upload-status { color: var(--color-primary-dark); }
.upload-error .upload-status { color: #b3261e; }

/* --- Tablet/Desktop: etwas mehr Spalten --- */
@media (min-width: 600px) {
    .photo-grid { grid-template-columns: repeat(3, 1fr); }
}

/* --- Timeline / Fotobuch --- */
.timeline { max-width: 480px; margin: 0 auto; }
.pdf-download-btn {
    display: block;
    text-align: center;
    padding: 12px;
    min-height: 48px;
    line-height: 24px;
    border-radius: 8px;
    background: var(--color-primary);
    color: white;
    text-decoration: none;
    font-weight: 600;
    margin-bottom: 24px;
}
.timeline-day { margin-bottom: 36px; }
.timeline-date {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-primary-dark);
    border-bottom: 2px solid var(--color-border);
    padding-bottom: 6px;
    margin-bottom: 18px;
}
.timeline-entry { margin-bottom: 28px; }
.timeline-image {
    width: 100%;
    border-radius: 10px;
    display: block;
}
.timeline-caption {
    font-size: 0.95rem;
    line-height: 1.5;
    margin: 12px 4px 4px;
}
.timeline-meta {
    font-size: 0.7rem;
    color: #888;
    margin: 4px 4px 0;
}