/* ===========================================================
   A N O N A I R   O B S E R V E R   S T Y L E
   =========================================================== */

/* CSS VARIABLES (Light Mode Default) */
:root {
    /* AnonAir Farbschema */
    --aa-bg: #f5f5f7;
    --aa-bg2: #ffffff;
    --aa-bg3: #f8f9fa;
    --aa-text: #111827;
    --aa-text-secondary: #6b7280;
    --aa-accent: #2563eb;
    --aa-accent-hover: #1d4ed8;
    --aa-border: #e5e7eb;
    --aa-shadow-soft: 0 4px 12px rgba(0, 0, 0, 0.05);
    --aa-shadow-medium: 0 6px 20px rgba(0, 0, 0, 0.08);
    --aa-danger: #dc2626;
    --aa-danger-hover: #b91c1c;
    --aa-success: #059669;
}

/* Dark Mode Variablen */
body.dark {
    --aa-bg: #020617;
    --aa-bg2: #0f172a;
    --aa-bg3: #1e293b;
    --aa-text: #e5e7eb;
    --aa-text-secondary: #9ca3af;
    --aa-accent: #3b82f6;
    --aa-accent-hover: #60a5fa;
    --aa-border: #334155;
    --aa-shadow-soft: 0 4px 12px rgba(0, 0, 0, 0.25);
    --aa-shadow-medium: 0 6px 20px rgba(0, 0, 0, 0.35);
    --aa-danger: #ef4444;
    --aa-danger-hover: #f87171;
    --aa-success: #10b981;
}

/* GLOBAL STRUCTURE ----------------------------------------*/
* {
    box-sizing: border-box;
}

.ao-app {
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    padding-bottom: 80px;
}

.ao-main {
    padding: 12px 14px 80px 14px;
}

.ao-view {
    display: none;
}

.ao-view-active {
    display: block;
}

/* BUTTON STYLES ------------------------------------------ */
.ao-btn {
    padding: 10px 18px;
    border-radius: 8px;
    border: none;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

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

.ao-btn-primary:hover {
    background: var(--aa-accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.ao-btn-secondary {
    background: var(--aa-bg3);
    color: var(--aa-text);
    border: 1px solid var(--aa-border);
}

.ao-btn-secondary:hover {
    background: var(--aa-bg2);
    transform: translateY(-1px);
}

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

.ao-btn-danger:hover {
    background: var(--aa-danger-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(220, 38, 38, 0.3);
}

/* -----------------------------------------------------------
   HEADER (Observer interner Header)
   ----------------------------------------------------------- */

.ao-header {
    background: var(--aa-bg2);
    padding: 18px 14px;
    border-radius: 12px;
    margin-bottom: 16px;
    box-shadow: var(--aa-shadow-soft);
}

.ao-title {
    margin: 0;
    padding: 0;
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.ao-title-main {
    color: var(--aa-text);
}

.ao-title-sub {
    color: var(--aa-accent);
}

.ao-subtitle {
    margin: 6px 0 10px 0;
    font-size: 14px;
    color: var(--aa-text-secondary);
}

#btnNewEntryHeader {
    width: 100%;
    margin-top: 10px;
}

/* -----------------------------------------------------------
   SECTION HEADERS
   ----------------------------------------------------------- */

.ao-section-header {
    margin-bottom: 14px;
}

.ao-section-title {
    margin: 0;
    font-size: 22px;
    font-weight: 700;
    color: var(--aa-text);
}

.ao-section-desc {
    font-size: 14px;
    color: var(--aa-text-secondary);
    margin-top: 4px;
}

/* ===========================================================
   L O G B U C H   L I S T E
   =========================================================== */

#logbookList {
    list-style: none;
    padding: 0;
    margin: 0;
}

.ao-list-item {
    background: var(--aa-bg2);
    padding: 14px;
    border-radius: 10px;
    margin-bottom: 10px;
    box-shadow: var(--aa-shadow-soft);
    cursor: pointer;
    transition: all 0.15s ease;
    border: 1px solid var(--aa-border);
}

.ao-list-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--aa-shadow-medium);
    border-color: var(--aa-accent);
}

.ao-list-item strong {
    color: var(--aa-text);
    font-size: 16px;
    display: block;
    margin-bottom: 4px;
}

.ao-list-item span {
    color: var(--aa-text-secondary);
    font-size: 14px;
}

.ao-empty-state {
    text-align: center;
    padding: 25px 10px;
    border-radius: 12px;
    background: var(--aa-bg2);
    box-shadow: var(--aa-shadow-soft);
    margin-bottom: 16px;
    border: 1px solid var(--aa-border);
}

.ao-empty-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--aa-text);
    margin-bottom: 8px;
}

.ao-empty-text {
    color: var(--aa-text-secondary);
    font-size: 14px;
    margin-bottom: 16px;
}

/* ===========================================================
   F O R M U L A R   (ENTRY)
   =========================================================== */

.ao-form {
    background: var(--aa-bg2);
    padding: 18px;
    border-radius: 12px;
    box-shadow: var(--aa-shadow-soft);
    border: 1px solid var(--aa-border);
}

.ao-form-group {
    margin-bottom: 16px;
}

.ao-label {
    font-size: 14px;
    margin-bottom: 6px;
    display: block;
    font-weight: 600;
    color: var(--aa-text);
}

.ao-label-required {
    color: var(--aa-accent);
}

.ao-input,
.ao-select,
.ao-textarea,
.ao-input-file {
    width: 100%;
    padding: 10px 12px;
    border-radius: 8px;
    border: 1px solid var(--aa-border);
    background: var(--aa-bg);
    color: var(--aa-text);
    font-size: 15px;
    transition: border-color 0.2s ease;
}

.ao-input:focus,
.ao-select:focus,
.ao-textarea:focus {
    outline: none;
    border-color: var(--aa-accent);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.ao-textarea {
    resize: vertical;
    min-height: 100px;
    font-family: inherit;
}

.ao-input-file {
    padding: 8px 12px;
    cursor: pointer;
}

.ao-input-file::-webkit-file-upload-button {
    background: var(--aa-bg3);
    border: 1px solid var(--aa-border);
    border-radius: 6px;
    padding: 6px 12px;
    color: var(--aa-text);
    cursor: pointer;
    margin-right: 12px;
}

.ao-help {
    font-size: 12px;
    color: var(--aa-text-secondary);
    margin-top: 4px;
    line-height: 1.4;
}

.ao-form-row {
    display: flex;
    gap: 12px;
}

.ao-form-row .ao-form-group {
    flex: 1;
}

.ao-form-actions {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    margin-top: 24px;
    padding-top: 16px;
    border-top: 1px solid var(--aa-border);
}

/* ===========================================================
   K A T E G O R I E - B L Ö C K E
   =========================================================== */

.ao-category-fields {
    margin-top: 16px;
}

.ao-category-block {
    display: none;
    background: var(--aa-bg3);
    padding: 16px;
    border-radius: 10px;
    box-shadow: var(--aa-shadow-soft);
    margin-bottom: 16px;
    border: 1px solid var(--aa-border);
}

.ao-category-title {
    margin-top: 0;
    margin-bottom: 16px;
    font-size: 17px;
    font-weight: 700;
    color: var(--aa-accent);
}

/* ===========================================================
   S T A T I S T I K
   =========================================================== */

.ao-stats-overview,
.ao-stats-section {
    background: var(--aa-bg2);
    padding: 16px;
    border-radius: 12px;
    margin-bottom: 16px;
    box-shadow: var(--aa-shadow-soft);
    border: 1px solid var(--aa-border);
}

.ao-stats-title {
    margin: 0 0 12px 0;
    font-size: 18px;
    font-weight: 700;
    color: var(--aa-text);
}

.ao-stats-list {
    font-size: 14px;
    color: var(--aa-text-secondary);
}

.ao-stats-list div {
    padding: 6px 0;
    border-bottom: 1px solid var(--aa-border);
}

.ao-stats-list div:last-child {
    border-bottom: none;
}

.ao-stats-list strong {
    color: var(--aa-text);
}

.ao-stats-list h4 {
    margin: 12px 0 8px 0;
    color: var(--aa-text);
    font-size: 15px;
}

/* ===========================================================
   S E T T I N G S
   =========================================================== */

.ao-settings-group {
    background: var(--aa-bg2);
    padding: 16px;
    border-radius: 12px;
    margin-bottom: 16px;
    box-shadow: var(--aa-shadow-soft);
    border: 1px solid var(--aa-border);
}

.ao-settings-title {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--aa-text);
}

.ao-settings-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid var(--aa-border);
}

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

.ao-settings-item span:first-child {
    color: var(--aa-text);
    font-weight: 500;
}

.ao-settings-note {
    font-size: 12px;
    color: var(--aa-text-secondary);
    margin-top: 4px;
    flex-basis: 100%;
}

.ao-settings-danger {
    color: var(--aa-danger);
}

.ao-settings-danger .ao-settings-note {
    color: var(--aa-danger);
    opacity: 0.8;
}

/* ===========================================================
   B O T T O M   N A V I G A T I O N
   =========================================================== */

.ao-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: var(--aa-bg2);
    border-top: 1px solid var(--aa-border);
    display: flex;
    justify-content: space-around;
    padding: 10px 0;
    z-index: 999;
    backdrop-filter: blur(10px);
}

.ao-nav-btn {
    background: none;
    border: none;
    color: var(--aa-text-secondary);
    font-size: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    opacity: 0.7;
    cursor: pointer;
    padding: 8px 12px;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.ao-nav-btn:hover {
    opacity: 1;
    background: var(--aa-bg3);
}

.ao-nav-btn-active {
    opacity: 1;
    color: var(--aa-accent);
    font-weight: 700;
    background: var(--aa-bg3);
}

.ao-nav-icon {
    font-size: 20px;
    margin-bottom: 2px;
}

/* ===========================================================
   M O B I L E   R E S P O N S I V E
   =========================================================== */

@media (max-width: 480px) {
    .ao-form-row {
        flex-direction: column;
        gap: 16px;
    }
    
    .ao-header {
        text-align: center;
    }
    
    .ao-title {
        font-size: 24px;
    }
    
    .ao-form-actions {
        flex-direction: column;
    }
    
    .ao-form-actions .ao-btn {
        width: 100%;
    }
    
    .ao-bottom-nav {
        padding: 8px 0;
    }
    
    .ao-nav-btn {
        padding: 6px 8px;
        font-size: 11px;
    }
    
    .ao-nav-icon {
        font-size: 18px;
    }
}

/* Animation für neue Einträge */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.ao-list-item {
    animation: fadeIn 0.3s ease-out;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--aa-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--aa-border);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--aa-text-secondary);
}
/* ----- Fix: Footer korrekt nach unten setzen ----- */

.observer-wrapper {
    min-height: calc(100vh - 140px);
    display: flex;
    flex-direction: column;
}

footer {
    margin-top: auto;
}