.dark-mode-toggle {
    position: fixed;
    top: 20px;
    right: 23px;
    background: rgba(0, 0, 0, 0.7);
    color: #fff;
    border: none;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    font-size: 1.2rem;
    cursor: pointer;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: none;
    opacity: 0.15;
    transition: background 0.2s, color 0.2s, opacity 0.2s;
}

.dark-mode-toggle:hover,
.dark-mode-toggle:focus {
    background: rgba(0, 0, 0, 0.8);
    color: #ffb347;
    opacity: 0.9;
    outline: none;
}

/* Dark Mode Styles */
.dark-mode {
    /* Invert video opacity for darker feel - lighter dark mode */
    --video-opacity: 0.6;
}

.dark-mode .video-background {
    opacity: var(--video-opacity, 0.6);
    filter: brightness(0.65) contrast(1.1);
}

/* Dark mode for login page - lighter dark mode */
.dark-mode body {
    background: #333333;
}

.dark-mode .login-form {
    background: rgba(50, 50, 50, 0.9);
    border-color: rgba(255, 215, 0, 0.4);
    box-shadow: 
        0 0 20px rgba(255, 215, 0, 0.15),
        0 0 40px rgba(255, 215, 0, 0.08),
        inset 0 0 20px rgba(255, 215, 0, 0.08);
}

.dark-mode input {
    background: rgba(50, 50, 50, 0.8);
    border-color: rgba(255, 215, 0, 0.4);
    color: #FFD700;
}

.dark-mode input:focus {
    border-color: rgba(255, 215, 0, 0.7);
    box-shadow: 0 0 20px rgba(255, 215, 0, 0.15);
}

.dark-mode button {
    background: rgba(50, 50, 50, 0.8);
    border-color: rgba(255, 215, 0, 0.4);
    color: #FFD700;
}

/* Calendar navigation buttons should not be modified in dark mode */
.dark-mode .month-nav {
    background: none !important;
    border: none !important;
    /* Keep original styling - no dark mode modifications */
}

.dark-mode .cosmic-banner {
    background: rgba(50, 50, 50, 0.9);
    border-color: rgba(255, 215, 0, 0.4);
}

/* Dark mode for main dashboard elements - lighter dark mode */
.dark-mode .divine-time,
.dark-mode .divine-babble {
    background-color: rgba(50, 50, 50, 0.85);
    border-color: rgba(255, 215, 0, 0.5);
    box-shadow: 
        0 0 20px rgba(255, 215, 0, 0.2),
        0 0 35px rgba(255, 215, 0, 0.15),
        0 0 50px rgba(255, 215, 0, 0.1),
        inset 0 0 25px rgba(255, 215, 0, 0.15);
}

.dark-mode .dashboard-toggle {
    background-color: rgba(50, 50, 50, 0.85);
    border-color: rgba(255, 215, 0, 0.5);
    box-shadow: 
        0 0 20px rgba(255, 215, 0, 0.2),
        0 0 35px rgba(255, 215, 0, 0.15),
        0 0 50px rgba(255, 215, 0, 0.1),
        inset 0 0 25px rgba(255, 215, 0, 0.15);
}

.dark-mode .full-dashboard {
    background-color: rgba(45, 45, 45, 0.9);
    backdrop-filter: blur(12px);
}

.dark-mode .logout-btn {
    background: rgba(50, 50, 50, 0.7);
    color: #FFD700;
    border: 1px solid rgba(255, 215, 0, 0.3);
}

.dark-mode .logout-btn:hover {
    background: rgba(60, 60, 60, 0.9);
    color: #FFD700;
    border-color: rgba(255, 215, 0, 0.6);
}

.dark-mode .dark-mode-toggle {
    background: rgba(50, 50, 50, 0.7);
    color: #FFD700;
    border: 1px solid rgba(255, 215, 0, 0.3);
}

.dark-mode .dark-mode-toggle:hover,
.dark-mode .dark-mode-toggle:focus {
    background: rgba(60, 60, 60, 0.9);
    color: #FFD700;
    border-color: rgba(255, 215, 0, 0.6);
}

/* Dark mode for modals and overlays - video darkening is enough, no need for modal opaqueness */
.dark-mode .modal-content {
    /* No dark mode modifications - let video darkening handle it */
}

.dark-mode .fade-overlay {
    background: #333333;
}

/* Dark mode for error messages */
.dark-mode .error-message {
    background: rgba(239, 68, 68, 0.15);
    border-color: rgba(239, 68, 68, 0.4);
}

/* Smooth transition for dark mode changes */
* {
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
}

/* Exclude video and certain elements from color transitions */
.video-background,
.video-background video {
    transition: opacity 0.5s ease, filter 0.5s ease;
}