/* Common styles shared across all pages */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Sans Serif', sans-serif !important;
    background:
        radial-gradient(1200px 600px at -10% -10%, #111827 0%, transparent 60%),
        radial-gradient(1200px 600px at 110% 10%, #0b1324 0%, transparent 60%),
        linear-gradient(180deg, #0b0f19 0%, #0e141f 100%);
    color: #e0e0e0;
    padding: 20px;
    line-height: 1.6;
    min-height: 100vh;
    transition: background 0.6s ease, color 0.3s ease;
}

/* Day mode styles */
body.day-mode {
    background:
        radial-gradient(1200px 600px at -10% -10%, #e8edf2 0%, transparent 60%),
        radial-gradient(1200px 600px at 110% 10%, #ececec 0%, transparent 60%),
        linear-gradient(180deg, #eef1f4 0%, #e7eaee 100%);
    color: #111827;
}

.container {
    max-width: 1600px;
    margin: 0 auto;
}

header {
    margin-bottom: 40px;
    padding: 15px 20px;
    background-color: #242424;
    border-radius: 8px;
    border-bottom: 2px solid #333;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: nowrap;
    gap: 20px;
    position: relative;
}

body.day-mode header {
    background-color: #fafafa;
    border-bottom: 1px solid #e6e6e6;
    box-shadow: 0 8px 20px rgba(0,0,0,0.05);
}

header .header-left {
    flex: 0 0 auto;
    text-align: left;
    display: flex;
    align-items: center;
}

header .header-center {
    flex: 1;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

header .header-right {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
}

h1 {
    color: #fff;
    margin-bottom: 5px;
    font-size: 2.5em;
    font-weight: 700;
    text-align: center;
}

body.day-mode h1 {
    color: #1a1a1a;
}

.subtitle {
    color: #888;
    font-size: 1em;
    margin-bottom: 0;
    text-align: center;
}

body.day-mode .subtitle {
    color: #666;
}

.menu-button-header {
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 1em;
    color: #e0e0e0;
    padding: 8px 12px;
    transition: transform 0.2s ease, color 0.2s ease;
}

.menu-button-header:hover {
    transform: scale(1.1);
    color: #60a5fa;
}

body.day-mode .menu-button-header {
    color: #111827;
}

body.day-mode .menu-button-header:hover {
    color: #2563eb;
}

.header-right .menu-content {
    top: 45px;
    left: auto;
    right: 0;
    transform: none;
}

footer {
    margin-top: 40px;
    padding: 20px;
    background-color: #242424;
    border-radius: 8px;
    border-top: 2px solid #333;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

body.day-mode footer {
    background-color: #fafafa;
    border-top: 1px solid #e6e6e6;
    box-shadow: 0 -4px 10px rgba(0,0,0,0.05);
}

.footer-left {
    flex: 1;
}

.footer-center {
    flex: 1;
    text-align: center;
}

.footer-center p {
    color: #888;
    font-size: 0.9em;
    margin: 0;
}

body.day-mode .footer-center p {
    color: #666;
}

.last-updated {
    color: #888;
    font-size: 0.85em;
}

body.day-mode .last-updated {
    color: #666;
}

button {
    background-color: #333;
    color: #fff;
    border: 1px solid #555;
    padding: 12px 30px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1em;
    font-weight: 600;
    transition: background-color 0.2s;
}

button:hover {
    background-color: #444;
}

button:active {
    background-color: #555;
}

button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

input,
select {
    background-color: #1a1a1a;
    color: #e0e0e0;
    border: 1px solid #404040;
    padding: 8px 12px;
    border-radius: 6px;
}

body.day-mode input,
body.day-mode select {
    background: #ffffff !important;
    color: #1a1a1a !important;
    border: 1px solid #d0d0d0 !important;
}

.menu-dropdown {
    position: relative;
    display: inline-block;
}

.menu-button {
    background: rgba(36,36,36,0.7);
    padding: 12px 16px;
    border-radius: 14px;
    border: 1px solid rgba(255,255,255,0.06);
    cursor: pointer;
    font-size: 1.2em;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    backdrop-filter: saturate(160%) blur(8px);
    -webkit-backdrop-filter: saturate(160%) blur(8px);
    color: #e0e0e0;
    width: 120px;
    min-height: 100px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.menu-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 30px rgba(0,0,0,0.35);
}

body.day-mode .menu-button {
    background-color: #f7f8fa;
    border: 1px solid #e5e7eb;
    color: #111827;
}

.menu-content {
    display: none;
    position: absolute;
    top: 110px;
    left: 0;
    background-color: #3a3a3a;
    min-width: 180px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.4);
    border-radius: 8px;
    border: 1px solid rgba(255,255,255,0.15);
    z-index: 1000;
    overflow: hidden;
}

body.day-mode .menu-content {
    background-color: #ffffff;
    border: 1px solid #e5e7eb;
}

.menu-content.show {
    display: block;
}

.menu-item {
    padding: 12px 16px;
    cursor: pointer;
    transition: background-color 0.2s;
    display: flex;
    align-items: center;
    gap: 10px;
    color: #e0e0e0;
    font-size: 0.95em;
}

.menu-item:hover {
    background-color: #4a4a4a;
}

body.day-mode .menu-item {
    color: #111827;
}

body.day-mode .menu-item:hover {
    background-color: #f3f4f6;
}

.error-message {
    background: linear-gradient(135deg, #7f1d1d 0%, #991b1b 100%);
    border: 1px solid #dc2626;
    color: #fca5a5;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    margin: 20px 0;
}

.error-message strong {
    display: block;
    font-size: 1.2em;
    margin-bottom: 10px;
}

.loading-spinner {
    text-align: center;
    padding: 60px 20px;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(96, 165, 250, 0.2);
    border-top-color: #60a5fa;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

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

@media (max-width: 768px) {
    body {
        padding: 10px;
    }

    h1 {
        font-size: 1.8em;
    }
}