@font-face {
    font-family: "IRANSansFallback";
    src: url("composeResources/shared/font/iransanse_font.ttf") format("truetype");
    font-display: swap;
}

:root {
    color-scheme: light dark;

    --varn-blue: #007aff;
    --varn-blue-dark: #0a84ff;
    --varn-blue-light: #5ac8fa;

    --bg-start: #fafafc;
    --bg-end: #f5f5f7;
    --bg-radial: rgba(90, 200, 250, 0.16);

    --surface: rgba(255, 255, 255, 0.8);
    --surface-border: rgba(255, 255, 255, 0.72);

    --text-primary: #1c1c1e;
    --text-secondary: #8e8e93;

    --shadow-soft: 0 10px 30px rgba(0, 122, 255, 0.1);
    --shadow-card: 0 18px 60px rgba(28, 28, 30, 0.08);
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg-start: #111113;
        --bg-end: #1c1c1e;
        --bg-radial: rgba(10, 132, 255, 0.2);

        --surface: rgba(28, 28, 30, 0.76);
        --surface-border: rgba(255, 255, 255, 0.08);

        --text-primary: #f5f5f7;
        --text-secondary: #aeaeb2;

        --shadow-soft: 0 10px 30px rgba(10, 132, 255, 0.18);
        --shadow-card: 0 18px 60px rgba(0, 0, 0, 0.34);
    }
}

html,
body {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    background:
        radial-gradient(circle at top, var(--bg-radial), transparent 28%),
        linear-gradient(180deg, var(--bg-start) 0%, var(--bg-end) 100%);
    font-family: "IRANSansFallback", sans-serif;
}

#app-loader {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: transparent;
    transition: opacity 0.45s ease, visibility 0.45s ease, transform 0.45s ease;
}

#app-loader.hide {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: scale(1.015);
}

.loader-shell {
    width: min(360px, 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 18px;
    padding: 28px 24px;
    text-align: center;
    border-radius: 28px;
    background: var(--surface);
    border: 1px solid var(--surface-border);
    box-shadow: var(--shadow-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

.loader-logo-wrap {
    position: relative;
    width: 84px;
    height: 84px;
    display: grid;
    place-items: center;
}

.loader-logo-wrap::before {
    content: "";
    position: absolute;
    inset: -8px;
    border-radius: 50%;
    background: radial-gradient(
        circle,
        rgba(0, 122, 255, 0.16),
        rgba(90, 200, 250, 0.05),
        transparent 70%
    );
    filter: blur(8px);
}

.loader-logo {
    position: relative;
    width: 84px;
    height: 84px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.55);
    border: 2px solid rgba(255, 255, 255, 0.35);
    box-shadow: var(--shadow-soft);
    overflow: hidden;
}

.loader-logo-image {
    width: 72px;
    height: 72px;
    object-fit: contain;
    display: block;
    user-select: none;
    -webkit-user-drag: none;
}

.loader-title {
    margin: 0;
    color: var(--text-primary);
    font-size: 24px;
    font-weight: 800;
    letter-spacing: -0.3px;
}

.loader-subtitle {
    margin: 0;
    max-width: 240px;
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.8;
}

.loader-progress {
    width: 100%;
    margin-top: 4px;
}

.loader-progress-bar {
    width: 100%;
    height: 10px;
    background: rgba(0, 122, 255, 0.15);
    border-radius: 999px;
    overflow: hidden;
}

.loader-progress-fill {
    width: 0;
    height: 100%;
    background: linear-gradient(90deg, var(--varn-blue), var(--varn-blue-light));
    border-radius: 999px;
    transition: width 0.25s ease;
}

.loader-percent {
    margin: 10px 0 0;
    font-size: 18px;
    font-weight: 700;
    color: var(--varn-blue);
    direction: ltr;
}

.loader-caption {
    margin: 0;
    color: var(--text-secondary);
    font-size: 13px;
}

@media (max-width: 480px) {
    .loader-shell {
        padding: 24px 18px;
        border-radius: 24px;
    }

    .loader-title {
        font-size: 22px;
    }

    .loader-subtitle {
        font-size: 13px;
    }
}

@media (prefers-color-scheme: dark) {
    .loader-logo {
        background: rgba(255, 255, 255, 0.08);
        border: 1px solid rgba(255, 255, 255, 0.1);
    }

    .loader-progress-bar {
        background: rgba(255, 255, 255, 0.12);
    }

    .loader-percent {
        color: #4da3ff;
    }
}