/* ====================================
   LAYOUT - Header, Main, Footer
   ==================================== */

/* Header */
header {
    background: var(--bg-light);
    border-bottom: 2px solid var(--primary);
    padding: 30px 20px 20px;
    box-shadow: var(--shadow);
    text-align: center;
    position: sticky;
    top: 0;
    z-index: 100;
    margin-bottom: 15px;
}

.logo-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.logo-container img,
.logo-container svg {
    height: 60px;
    width: auto;
}

.logo-text {
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--primary);
    margin: 0;
}

.logo-separator {
    display: none;
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    justify-content: center;
    margin-top: 10px;
}

.connection-status {
    font-size: 11px;
    padding: 6px 14px;
    border-radius: 3px;
    border: 1px solid var(--border);
    background-color: var(--bg);
    transition: all var(--transition-normal);
}

.connection-status.connected {
    color: var(--success);
    border-color: var(--success);
    background-color: #D1E7DD;
}

.connection-status.disconnected {
    color: var(--error);
    border-color: var(--error);
    background-color: #F8D7DA;
}

/* Main Container */
main {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 0 40px var(--spacing-xxl) 40px;
    position: relative;
    z-index: 5;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

/* Mode Toggle */
.mode-toggle {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    justify-content: center;
}

.mode-btn {
    padding: 12px 20px;
    border: 1px solid var(--border);
    background-color: var(--bg-light);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.5px;
    transition: all var(--transition-normal);
    font-family: inherit;
    text-transform: uppercase;
}

.mode-btn:hover {
    background-color: var(--bg);
}

.mode-btn.active {
    background-color: var(--primary);
    color: var(--bg-light);
}

.mode-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Footer */
footer {
    padding: var(--spacing-lg) var(--spacing-xl);
    text-align: center;
    font-size: 12px;
    color: var(--text-secondary);
    position: relative;
    z-index: 10;
    border-top: 1px solid var(--border-light);
}

footer a {
    color: var(--primary);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}