/* ═══════════════════════════════════════════════════
   Apple Glass Design — Core Stylesheet
   Glassmorphism for WordPress
   ═══════════════════════════════════════════════════ */

/* ── SF-style system font stack ────────────────────── */
body.agd-active {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display",
                 "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

/* ── Core glass mixin via class ────────────────────── */
.agd-glass {
    background: var(--agd-glass-bg) !important;
    -webkit-backdrop-filter: blur(var(--agd-blur)) saturate(180%);
    backdrop-filter: blur(var(--agd-blur)) saturate(180%);
    border: 1px solid var(--agd-glass-border) !important;
    border-radius: var(--agd-radius) !important;
    box-shadow: var(--agd-glass-shadow) !important;
    transition: all var(--agd-transition) !important;
    position: relative;
    overflow: hidden;
}

/* Inner light edge — top/left highlight */
.agd-glass::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(var(--agd-tint-r), var(--agd-tint-g), var(--agd-tint-b), 0.6) 20%,
        rgba(var(--agd-tint-r), var(--agd-tint-g), var(--agd-tint-b), 0.8) 50%,
        rgba(var(--agd-tint-r), var(--agd-tint-g), var(--agd-tint-b), 0.6) 80%,
        transparent 100%
    );
    pointer-events: none;
    z-index: 1;
    border-radius: var(--agd-radius) var(--agd-radius) 0 0;
}

/* ── Hover lift ───────────────────────────────────── */
.agd-hover-lift.agd-glass:hover {
    transform: translateY(-3px) scale(1.005);
    box-shadow: var(--agd-glass-shadow-hover) !important;
}

/* ── Entrance animation ───────────────────────────── */
.agd-entrance {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.agd-entrance.agd-visible {
    opacity: 1;
    transform: translateY(0);
}

/* stagger children */
.agd-entrance:nth-child(2) { transition-delay: 0.08s; }
.agd-entrance:nth-child(3) { transition-delay: 0.16s; }
.agd-entrance:nth-child(4) { transition-delay: 0.24s; }
.agd-entrance:nth-child(5) { transition-delay: 0.32s; }
.agd-entrance:nth-child(6) { transition-delay: 0.40s; }
.agd-entrance:nth-child(7) { transition-delay: 0.48s; }
.agd-entrance:nth-child(8) { transition-delay: 0.56s; }

/* ── Smooth scroll ────────────────────────────────── */
html.agd-smooth-scroll {
    scroll-behavior: smooth;
}

/* ── Buttons — glass variant ──────────────────────── */
.agd-glass-btn {
    background: var(--agd-accent) !important;
    color: #ffffff !important;
    border: none !important;
    border-radius: calc(var(--agd-radius) * 0.6) !important;
    padding: 12px 28px !important;
    font-weight: 600 !important;
    font-size: 15px !important;
    letter-spacing: -0.01em;
    cursor: pointer;
    transition: all var(--agd-transition-fast) !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1),
                inset 0 1px 0 rgba(255, 255, 255, 0.2) !important;
    text-decoration: none !important;
    display: inline-block;
    line-height: 1.4 !important;
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
}

.agd-glass-btn:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15),
                inset 0 1px 0 rgba(255, 255, 255, 0.25) !important;
}

.agd-glass-btn:active {
    transform: translateY(0px) scale(0.98);
    filter: brightness(0.95);
}

/* ── Form inputs — glass style ────────────────────── */
.agd-glass input[type="text"],
.agd-glass input[type="email"],
.agd-glass input[type="password"],
.agd-glass input[type="search"],
.agd-glass input[type="url"],
.agd-glass input[type="tel"],
.agd-glass input[type="number"],
.agd-glass textarea,
.agd-glass select {
    background: rgba(var(--agd-tint-r), var(--agd-tint-g), var(--agd-tint-b), 0.35) !important;
    border: 1px solid rgba(var(--agd-tint-r), var(--agd-tint-g), var(--agd-tint-b), 0.3) !important;
    border-radius: calc(var(--agd-radius) * 0.5) !important;
    padding: 10px 16px !important;
    font-size: 15px !important;
    transition: all var(--agd-transition-fast) !important;
    outline: none !important;
    color: inherit !important;
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
}

.agd-glass input:focus,
.agd-glass textarea:focus,
.agd-glass select:focus {
    border-color: var(--agd-accent) !important;
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.15) !important;
}

/* ── Dropdown menus ───────────────────────────────── */
.agd-glass.sub-menu,
.agd-glass.dropdown-menu {
    padding: 8px !important;
}

.agd-glass.sub-menu li a,
.agd-glass.dropdown-menu li a {
    border-radius: calc(var(--agd-radius) * 0.4) !important;
    padding: 8px 14px !important;
    transition: background var(--agd-transition-fast) !important;
}

.agd-glass.sub-menu li a:hover,
.agd-glass.dropdown-menu li a:hover {
    background: rgba(var(--agd-tint-r), var(--agd-tint-g), var(--agd-tint-b), 0.35) !important;
}

/* ── Header — sticky glass bar ────────────────────── */
.agd-glass-header {
    position: sticky !important;
    top: 0 !important;
    z-index: 999 !important;
    border-radius: 0 !important;
    border-left: none !important;
    border-right: none !important;
    border-top: none !important;
}

/* WP admin bar offset */
.admin-bar .agd-glass-header {
    top: 32px !important;
}

/* ── Footer ───────────────────────────────────────── */
.agd-glass-footer {
    border-radius: 0 !important;
    border-left: none !important;
    border-right: none !important;
    border-bottom: none !important;
}

/* ══════════════════════════════════════════════════
   Dark Mode
   ══════════════════════════════════════════════════ */
.agd-dark-mode {
    --agd-glass-bg: rgba(30, 30, 30, var(--agd-opacity));
    --agd-glass-border: rgba(255, 255, 255, 0.12);
    --agd-glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.25), 0 2px 8px rgba(0, 0, 0, 0.15);
    --agd-glass-shadow-hover: 0 16px 48px rgba(0, 0, 0, 0.35), 0 4px 12px rgba(0, 0, 0, 0.2);
}

.agd-dark-mode .agd-glass::before {
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.06) 20%,
        rgba(255, 255, 255, 0.1) 50%,
        rgba(255, 255, 255, 0.06) 80%,
        transparent 100%
    );
}

/* ══════════════════════════════════════════════════
   Responsive adjustments
   ══════════════════════════════════════════════════ */
@media (max-width: 782px) {
    .admin-bar .agd-glass-header {
        top: 46px !important;
    }
}

@media (max-width: 600px) {
    .agd-glass {
        border-radius: calc(var(--agd-radius) * 0.7) !important;
    }
    .agd-glass-btn {
        padding: 10px 22px !important;
        font-size: 14px !important;
    }
}

/* ══════════════════════════════════════════════════
   Prevent glass on admin bar
   ══════════════════════════════════════════════════ */
#wpadminbar,
#wpadminbar * {
    -webkit-backdrop-filter: none !important;
    backdrop-filter: none !important;
}