@import url('https://fonts.googleapis.com/css2?family=Pliant:ital,wght@0,100..900;1,100..900&family=Rubik:ital,wght@0,300..900;1,300..900&family=SN+Pro:ital,wght@0,200..900;1,200..900&display=swap');

/* ─── CSS Variables / Themes ─────────────────────────────────────────────── */
:root,
[data-theme="light"] {
    --bg:       #ebebeb;
    --card:     #ffffff;
    --text:     #000000d0;
    --text-sub: #00000080;
    --border:   #00000022;
    --shadow:   #00000033;
    --btn-bg:   #ebebeb;
    --btn-text: #000000;
    --btn-border: #000000;
    --preload-bg: #ffffff;
}

[data-theme="dark"] {
    --bg:       #111111;
    --card:     #1e1e1e;
    --text:     #ffffffd0;
    --text-sub: #ffffff80;
    --border:   #ffffff22;
    --shadow:   #00000066;
    --btn-bg:   #1e1e1e;
    --btn-text: #ffffff;
    --btn-border: #ffffff66;
    --preload-bg: #111111;
}

/* ─── Reset ──────────────────────────────────────────────────────────────── */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Rubik', 'Pliant';
    text-decoration: none;
}

/* ─── Body ───────────────────────────────────────────────────────────────── */
body {
    width: 100%;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    align-items: center;
    background: var(--bg);
    color: var(--text);
    transition: background 0.35s ease, color 0.35s ease;
}

/* ─── Preloader ───────────────────────────────────────────────────────────── */
.preload {
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: var(--preload-bg);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 28px;
    transition: opacity 0.55s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.55s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Exit animation class */
.preload--hidden {
    opacity: 0;
    transform: scale(1.04);
    pointer-events: none;
}

.preload__logo-wrap {
    position: relative;
    width: 110px;
    height: 110px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Spinning ring behind the logo */
.preload__ring {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 3px solid transparent;
    border-top-color: var(--text);
    border-right-color: var(--text);
    animation: spinRing 1.2s linear infinite;
    opacity: 0.25;
}

.preload img {
    width: 72px;
    animation: breathe 2s ease-in-out infinite;
    position: relative;
    z-index: 1;
}

.preload__text {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.preload p {
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-sub);
}

/* Animated progress bar */
.preload__bar {
    width: 120px;
    height: 3px;
    border-radius: 999px;
    background: var(--border);
    overflow: hidden;
}

.preload__bar::after {
    content: '';
    display: block;
    height: 100%;
    width: 40%;
    border-radius: 999px;
    background: var(--text);
    animation: barSlide 1.4s ease-in-out infinite;
}

@keyframes breathe {
    0%, 100% { opacity: 0.45; transform: scale(0.95); }
    50%       { opacity: 1;    transform: scale(1.05); }
}

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

@keyframes barSlide {
    0%   { transform: translateX(-100%); }
    50%  { transform: translateX(200%); }
    100% { transform: translateX(200%); }
}

/* ─── Header ─────────────────────────────────────────────────────────────── */
header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 1.2rem 1rem;
    align-items: center;
    background: var(--card);
    box-shadow: 0 5px 10px var(--shadow);
    position: fixed;
    left: 0;
    top: 0;
    z-index: 998;
    transition: background 0.35s ease, box-shadow 0.35s ease;
}

header .logo {
    display: flex;
    align-items: center;
    gap: .5rem;
}

header .logo img {
    width: 70px;
    transition: opacity 0.3s ease;
}

header .logo p {
    display: flex;
    flex-direction: column;
    font-weight: 600;
    font-size: 1.4rem;
    line-height: 20px;
    margin-bottom: -5px;
    color: var(--text);
    transition: color 0.35s ease;
}

header .logo p span {
    font-style: italic;
    font-weight: 500;
    font-size: .9rem;
}

/* ─── Theme Toggle Button ────────────────────────────────────────────────── */
#theme-btn {
    padding: 6px 12px;
    border-radius: 8px;
    border: 2px solid var(--btn-border);
    background: var(--btn-bg);
    color: var(--btn-text);
    cursor: pointer;
    font-size: 1.3rem;
    line-height: 1;
    transition: background 0.3s ease,
                color 0.3s ease,
                border-color 0.3s ease,
                transform 0.15s ease,
                box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
}

#theme-btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: currentColor;
    opacity: 0;
    transition: opacity 0.2s ease;
    border-radius: inherit;
}

#theme-btn:hover {
    /* transform: scale(0); */
    box-shadow: 0 4px 16px var(--shadow);
}

#theme-btn:hover::after {
    opacity: 0.08;
}

#theme-btn:active {
    transform: scale(0.95);
}

/* Icon spin on click */
#theme-btn.spinning {
    animation: iconSpin 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes iconSpin {
    0%   { transform: rotate(0deg)   scale(1); }
    50%  { transform: rotate(200deg) scale(0.85); }
    100% { transform: rotate(360deg) scale(1); }
}

/* ─── Spacer ─────────────────────────────────────────────────────────────── */
.space {
    margin-top: 80px;
}