/* =========================================================
   LOADING SCREEN — Samarinda Kota Portal
   Supports: kelurahan (blue), kecamatan (red), puskesmas (green)
   ========================================================= */

/* ── Fallback defaults; can be overridden from layout vars ── */
#page-loader {
    --loader-grad-from:   var(--loader-grad-from, #0f2c5c);
    --loader-grad-mid:    var(--loader-grad-mid, #1a4a8a);
    --loader-grad-to:     var(--loader-grad-to, #1976d2);
    --loader-accent:      #ffffff;
    --loader-label:       "Portal Kelurahan \2022  Samarinda Kota";
}

/* ─────────────────────────────────────────────────────── */

#page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 99999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(
        135deg,
        var(--loader-grad-from)  0%,
        var(--loader-grad-mid)   45%,
        var(--loader-grad-to)    100%
    );
    transition: opacity 0.65s ease, visibility 0.65s ease;
    overflow: hidden;
}

body.loading-active {
    overflow: hidden;
}

body.loading-active > :not(#page-loader) {
    visibility: hidden;
}

body.loading-active #page-loader {
    visibility: visible;
}

/* Decorative blurred orbs */
#page-loader::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255,255,255,0.07) 0%, transparent 70%);
    top: -200px;
    right: -150px;
    animation: loaderOrbFloat 8s ease-in-out infinite;
    pointer-events: none;
}

#page-loader::after {
    content: '';
    position: absolute;
    width: 420px;
    height: 420px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255,255,255,0.05) 0%, transparent 70%);
    bottom: -120px;
    left: -100px;
    animation: loaderOrbFloat 11s ease-in-out infinite reverse;
    pointer-events: none;
}

@keyframes loaderOrbFloat {
    0%, 100% { transform: scale(1) translateY(0); }
    50%       { transform: scale(1.12) translateY(-22px); }
}

/* ── Hidden state (JS adds this class) ─────────────────── */
#page-loader.loader-hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

/* ── Logo + title block ─────────────────────────────────── */
.loader-logo-wrap {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    animation: loaderFadeUp 0.7s ease both;
}

@keyframes loaderFadeUp {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}

.loader-logo {
    width: 88px;
    height: 88px;
    object-fit: contain;
    filter: drop-shadow(0 8px 24px rgba(0,0,0,0.35));
    animation: loaderLogoPulse 2.4s ease-in-out infinite;
}

@keyframes loaderLogoPulse {
    0%, 100% { transform: scale(1);    opacity: 1; }
    50%       { transform: scale(1.06); opacity: 0.88; }
}

.loader-title {
    text-align: center;
    color: #ffffff;
}

.loader-title-main {
    display: block;
    font-family: 'Poppins', sans-serif;
    font-size: 19px;
    font-weight: 700;
    letter-spacing: 0.4px;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
    margin-bottom: 5px;
}

.loader-title-sub {
    display: block;
    font-family: 'Poppins', sans-serif;
    font-size: 11px;
    font-weight: 400;
    opacity: 0.72;
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* ── Spinner ────────────────────────────────────────────── */
.loader-spinner-wrap {
    position: relative;
    z-index: 1;
    margin-top: 38px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 22px;
    animation: loaderFadeUp 0.7s 0.15s ease both;
}

.loader-spinner {
    width: 54px;
    height: 54px;
    position: relative;
}

/* Outer static ring */
.loader-spinner::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 3px solid rgba(255,255,255,0.18);
}

/* Spinning arc */
.loader-spinner::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 3px solid transparent;
    border-top-color:   #ffffff;
    border-right-color: rgba(255,255,255,0.55);
    animation: loaderSpin 0.88s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

@keyframes loaderSpin {
    to { transform: rotate(360deg); }
}

/* ── Bouncing dots ──────────────────────────────────────── */
.loader-dots {
    display: flex;
    gap: 9px;
    align-items: center;
}

.loader-dots span {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: rgba(255,255,255,0.72);
    animation: loaderDotBounce 1.4s ease-in-out infinite;
}

.loader-dots span:nth-child(1) { animation-delay: 0s; }
.loader-dots span:nth-child(2) { animation-delay: 0.2s; }
.loader-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes loaderDotBounce {
    0%, 80%, 100% { transform: scale(1);    opacity: 0.5; }
    40%            { transform: scale(1.45); opacity: 1; }
}

/* ── Progress bar ───────────────────────────────────────── */
.loader-progress-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: rgba(255,255,255,0.12);
    z-index: 1;
}

.loader-progress-bar-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(
        90deg,
        rgba(255,255,255,0.35),
        rgba(255,255,255,1),
        rgba(255,255,255,0.35)
    );
    background-size: 200% 100%;
    animation:
        loaderProgress 2.6s ease-in-out forwards,
        loaderShimmer  1.6s linear infinite;
}

@keyframes loaderProgress {
    0%   { width: 0%; }
    55%  { width: 75%; }
    100% { width: 95%; }
}

@keyframes loaderShimmer {
    0%   { background-position:  200% center; }
    100% { background-position: -200% center; }
}

/* ── Footer label ───────────────────────────────────────── */
.loader-version {
    position: absolute;
    bottom: 14px;
    z-index: 1;
    font-family: 'Poppins', sans-serif;
    font-size: 10px;
    color: rgba(255,255,255,0.38);
    letter-spacing: 2px;
    text-transform: uppercase;
    user-select: none;
}