/*
 * Header Styles
 * Site header, navigation, logo, mobile menu
 */

/* ==========================================================================
   Site Header - Mobile First
   ========================================================================== */

.site-header {
    position: relative;
    padding-left: 1rem;
    padding-right: 1rem;
    min-height: 56px;
    background: var(--pico-background-color);
}

.site-header nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.5rem;
    overflow: hidden;
    flex-wrap: nowrap;
}

.site-header nav > ul {
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Override Pico's negative margin on nav ul */
.site-header nav > ul:first-of-type {
    margin-left: 0;
}

.site-header nav > ul:last-of-type {
    margin-right: 0;
}

/* Override Pico's inline-block on li */
.site-header nav li {
    display: flex;
    align-items: center;
    padding: 0;
}

/* Logo container - needs minimum width to stay visible */
.site-header nav > ul:first-child {
    flex: 1 1 auto;
    min-width: 0;
    max-width: 60%;
}

/* Today button - contains a link inside */
.settings-controls button.control-btn a {
    color: inherit;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}

/* Right side controls - don't grow, stay compact */
.site-header .nav-right {
    flex: 0 1 auto;
    gap: 0.5rem;
    min-width: 0;
    overflow: hidden;
}

/* Logo - always visible */
.site-logo {
    font-size: 1.1rem;
    white-space: nowrap;
}

/* Mobile menu toggle button */
.site-header .mobile-menu-toggle {
    display: flex;
    flex-shrink: 0;
}

/* Navigation links - MUST be hidden on mobile (use !important to override Pico) */
.site-header .nav-links {
    display: none !important;
}

/* ==========================================================================
   Hamburger Icon
   ========================================================================== */

.hamburger-icon {
    display: block;
    width: 18px;
    height: 2px;
    background: #373c44;
    position: relative;
}

.hamburger-icon::before,
.hamburger-icon::after {
    content: "";
    display: block;
    width: 18px;
    height: 2px;
    background: #373c44;
    position: absolute;
    left: 0;
}

/* Dark mode hamburger icon */
[data-theme="dark"] .hamburger-icon,
[data-theme="dark"] .hamburger-icon::before,
[data-theme="dark"] .hamburger-icon::after {
    background: #c2c7d0;
}

.hamburger-icon::before {
    top: -6px;
}

.hamburger-icon::after {
    top: 6px;
}

/* Animate hamburger to X when active */
.mobile-menu-toggle .control-btn.is-active .hamburger-icon {
    background: transparent;
}

.mobile-menu-toggle .control-btn.is-active .hamburger-icon::before {
    transform: rotate(45deg);
    top: 0;
}

.mobile-menu-toggle .control-btn.is-active .hamburger-icon::after {
    transform: rotate(-45deg);
    top: 0;
}

/* ==========================================================================
   Mobile Dropdown Menu
   ========================================================================== */

.mobile-nav-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--pico-background-color);
    border-bottom: 1px solid var(--pico-muted-border-color);
    padding: 1rem;
    z-index: 200;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    overflow-y: auto;
    max-height: calc(100vh - 100px);
}

.mobile-nav-dropdown[hidden] {
    display: none;
}

.mobile-nav-dropdown nav {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.mobile-nav-dropdown a,
.mobile-nav-dropdown button {
    display: flex;
    padding: 0.75rem 1rem;
    border-radius: var(--pico-border-radius);
    text-decoration: none;
    color: var(--pico-color);
    min-height: 44px;
    align-items: center;
}

.mobile-nav-dropdown a:hover,
.mobile-nav-dropdown button:hover {
    background: var(--pico-primary-focus);
    border-color: var(--pico-primary);
    color: var(--pico-primary);
}

/* ==========================================================================
   Responsive Header Adjustments
   ========================================================================== */

/* Small screens */
@media (max-width: 380px) {
    .site-logo {
        font-size: 1rem;
    }
}

/* Tablet and up (768px+) */
@media (min-width: 768px) {
    /* Hide mobile menu toggle */
    .site-header .mobile-menu-toggle {
        display: none;
    }

    /* Show inline nav links */
    .site-header .nav-links {
        display: flex !important;
        align-items: center;
        gap: 0.5rem;
    }

    /* Hide mobile dropdown (it should never show on tablet+) */
    .mobile-nav-dropdown {
        display: none !important;
    }
}

/* Desktop (992px+) */
@media (min-width: 992px) {
    .site-logo {
        font-size: 1.25rem;
    }

    .nav-links {
        gap: 0.75rem;
    }
}