/* ============================================
   Global Navigation Styles
   Shared across all pages using nav.html
   ============================================ */

/* Icon base (kept lightweight for nav usage) */
.icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.icon svg {
    width: 100%;
    height: 100%;
}

.icon--sm {
    width: 14px;
    height: 14px;
}

/* Mode Navigation Bar */
.mode-nav {
    display: none;
    background: linear-gradient(180deg, rgba(17, 22, 32, 0.92), rgba(15, 20, 28, 0.88));
    border-bottom: 1px solid var(--border-color, #202833);
    padding: 0 20px;
    position: relative;
    z-index: 1100;
    backdrop-filter: blur(10px);
}

@media (min-width: 1024px) {
    .mode-nav {
        display: flex;
        align-items: center;
        gap: 8px;
        height: 44px;
    }
}

.mode-nav-label {
    font-size: 9px;
    color: var(--text-secondary, #b7c1cf);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-right: 8px;
    font-weight: 500;
    font-family: var(--font-mono);
}

.mode-nav-divider {
    width: 1px;
    height: 24px;
    background: var(--border-color, #202833);
    margin: 0 12px;
}

.mode-nav-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 6px;
    color: var(--text-secondary, #b7c1cf);
    font-family: var(--font-sans);
    font-size: 11px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
    text-decoration: none;
}

.mode-nav-btn .nav-label {
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-family: var(--font-mono);
    font-size: 10px;
}

.mode-nav-btn:hover {
    background: rgba(27, 36, 51, 0.8);
    color: var(--text-primary, #e7ebf2);
    border-color: var(--border-color, #202833);
}

.mode-nav-btn.active {
    background: rgba(27, 36, 51, 0.9);
    color: var(--text-primary, #e7ebf2);
    border-color: var(--accent-cyan, #4d7dbf);
    box-shadow: inset 0 -2px 0 var(--accent-cyan, #4d7dbf);
}

.mode-nav-btn.active .nav-icon {
    color: var(--accent-cyan, #4d7dbf);
}

.mode-nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.nav-action-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: rgba(24, 31, 44, 0.85);
    border: 1px solid var(--border-light, #2b3645);
    border-radius: 6px;
    color: var(--text-primary, #e7ebf2);
    font-family: var(--font-sans);
    font-size: 11px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.15s ease;
}

.nav-action-btn .nav-label {
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-family: var(--font-mono);
    font-size: 10px;
}

.nav-action-btn:hover {
    background: rgba(27, 36, 51, 0.95);
    color: var(--text-primary, #e7ebf2);
    box-shadow: 0 8px 16px rgba(5, 9, 15, 0.35);
    border-color: var(--accent-cyan, #4d7dbf);
}

/* Dropdown Navigation */
.mode-nav-dropdown {
    position: relative;
}

.mode-nav-dropdown-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 6px;
    color: var(--text-secondary, #b7c1cf);
    font-family: var(--font-sans);
    font-size: 11px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
}

.mode-nav-dropdown-btn .nav-label {
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-family: var(--font-mono);
    font-size: 10px;
}

.mode-nav-dropdown-btn .dropdown-arrow {
    width: 12px;
    height: 12px;
    margin-left: 4px;
    transition: transform 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.mode-nav-dropdown-btn .dropdown-arrow svg {
    width: 100%;
    height: 100%;
}

.mode-nav-dropdown-btn:hover {
    background: rgba(27, 36, 51, 0.8);
    color: var(--text-primary, #e7ebf2);
    border-color: var(--border-color, #202833);
}

.mode-nav-dropdown.open .mode-nav-dropdown-btn {
    background: rgba(27, 36, 51, 0.9);
    color: var(--text-primary, #e7ebf2);
    border-color: var(--border-color, #202833);
}

.mode-nav-dropdown.open .dropdown-arrow {
    transform: rotate(180deg);
}

.mode-nav-dropdown.has-active .mode-nav-dropdown-btn {
    background: rgba(27, 36, 51, 0.9);
    color: var(--text-primary, #e7ebf2);
    border-color: var(--accent-cyan, #4d7dbf);
    box-shadow: inset 0 -2px 0 var(--accent-cyan, #4d7dbf);
}

.mode-nav-dropdown.has-active .mode-nav-dropdown-btn .nav-icon {
    color: var(--accent-cyan, #4d7dbf);
}

.mode-nav-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    margin-top: 4px;
    min-width: 180px;
    background: rgba(16, 22, 32, 0.98);
    border: 1px solid var(--border-color, #202833);
    border-radius: 8px;
    box-shadow: 0 16px 36px rgba(5, 9, 15, 0.55);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.15s ease;
    z-index: 1000;
    padding: 6px;
}

.mode-nav-dropdown.open .mode-nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.mode-nav-dropdown-menu .mode-nav-btn {
    width: 100%;
    justify-content: flex-start;
    padding: 10px 12px;
    border-radius: 6px;
}

.mode-nav-dropdown-menu .mode-nav-btn:hover {
    background: rgba(27, 36, 51, 0.85);
}

.mode-nav-dropdown-menu .mode-nav-btn.active {
    background: rgba(27, 36, 51, 0.95);
    color: var(--text-primary, #e7ebf2);
    box-shadow: inset 0 -2px 0 var(--accent-cyan, #4d7dbf);
}

/* Nav Bar Utilities */
.nav-utilities {
    display: none;
    align-items: center;
    gap: 12px;
    margin-left: auto;
    flex-shrink: 0;
}

@media (min-width: 1024px) {
    .nav-utilities {
        display: flex;
    }
}

.nav-clock {
    display: flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-mono);
    font-size: 11px;
    flex-shrink: 0;
    white-space: nowrap;
}

.nav-clock .utc-label {
    font-size: 9px;
    color: var(--text-dim, #8a97a8);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.nav-clock .utc-time {
    color: var(--accent-cyan, #4d7dbf);
    font-weight: 600;
}

.nav-divider {
    width: 1px;
    height: 20px;
    background: var(--border-color, #202833);
}

.nav-tools {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}

.nav-tool-btn {
    width: 28px;
    height: 28px;
    min-width: 28px;
    border-radius: 6px;
    background: rgba(20, 33, 53, 0.6);
    border: 1px solid rgba(77, 125, 191, 0.12);
    color: var(--text-secondary, #b7c1cf);
    font-size: 14px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.15s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.nav-tool-btn:hover {
    background: rgba(27, 36, 51, 0.9);
    border-color: var(--accent-cyan, #4d7dbf);
    color: var(--accent-cyan, #4d7dbf);
    box-shadow: 0 6px 14px rgba(5, 9, 15, 0.35);
}

/* Position relative needed for absolute positioned icon children */
.nav-tool-btn {
    position: relative;
}

.mode-nav-btn:focus-visible,
.mode-nav-dropdown-btn:focus-visible,
.nav-action-btn:focus-visible,
.nav-tool-btn:focus-visible {
    outline: 2px solid var(--accent-cyan, #4d7dbf);
    outline-offset: 2px;
}

/* Nav tool button SVG sizing and styling */
.nav-tool-btn svg {
    width: 14px;
    height: 14px;
    stroke: currentColor;
}

.nav-tool-btn .icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.nav-tool-btn .icon svg {
    width: 14px;
    height: 14px;
    stroke: currentColor;
}

/* Theme toggle icon states */
.nav-tool-btn .icon-sun,
.nav-tool-btn .icon-moon {
    position: absolute;
    transition: opacity 0.2s, transform 0.2s;
}

.nav-tool-btn .icon-sun {
    opacity: 0;
    transform: rotate(-90deg);
}

.nav-tool-btn .icon-moon {
    opacity: 1;
    transform: rotate(0deg);
}

[data-theme="light"] .nav-tool-btn .icon-sun {
    opacity: 1;
    transform: rotate(0deg);
}

[data-theme="light"] .nav-tool-btn .icon-moon {
    opacity: 0;
    transform: rotate(90deg);
}

/* Effects/animations toggle icon states */
.nav-tool-btn .icon-effects-off {
    display: none;
}

[data-animations="off"] .nav-tool-btn .icon-effects-on {
    display: none;
}

[data-animations="off"] .nav-tool-btn .icon-effects-off {
    display: flex;
}

/* Main Dashboard Button in Nav */
a.nav-dashboard-btn,
a.nav-dashboard-btn:link,
a.nav-dashboard-btn:visited {
    display: inline-flex !important;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 6px;
    background: rgba(20, 33, 53, 0.6) !important;
    border: 1px solid rgba(77, 125, 191, 0.12) !important;
    color: #b7c1cf !important;
    font-size: 11px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
    white-space: nowrap;
    text-decoration: none !important;
}

a.nav-dashboard-btn:hover {
    background: rgba(27, 36, 51, 0.9) !important;
    border-color: #4d7dbf !important;
    color: #4d7dbf !important;
    box-shadow: 0 6px 14px rgba(5, 9, 15, 0.35);
}

.nav-dashboard-btn .icon {
    width: 14px;
    height: 14px;
}

.nav-dashboard-btn .icon svg {
    width: 100%;
    height: 100%;
    stroke: currentColor;
}

.nav-dashboard-btn .nav-label {
    font-family: var(--font-mono, 'Roboto Condensed', 'Arial Narrow', sans-serif);
    letter-spacing: 0.5px;
}