:root {

    /* ---------- BACKGROUNDS ---------- */
    --bg-main: #0B1220;
    --bg-soft: rgba(255,255,255,0.06);
    --card-bg: rgba(255,255,255,0.08);

    /* ---------- TEXT ---------- */
    --text-primary: rgba(255,255,255,0.92);
    --text-secondary: rgba(255,255,255,0.68);
    --text-muted: rgba(255,255,255,0.45);

    /* ---------- UI ---------- */
    --divider: rgba(255,255,255,0.14);

    --input-bg: rgba(255,255,255,0.06);
    --input-border: rgba(255,255,255,0.16);

    --bg-primary: #1babce;
    --bg-secondary: #8e9da4;
    --bg-yellow: #e0b614;
    --bg-grey: #e8ecef;
    --bg-grey_line: #d3d4d6;



    --btn-primary: #1babce;
    --btn-primary-hover: #0286a6;
    --btn-primary-text: #ffffff;




    --focus-ring: rgba(1,112,137,0.55);

    /* ---------- STATES ---------- */
    --error: #ff4d4f;
    --success: #4ade80;
    --warning: #facc15;

    /* ---------- RADIUS ---------- */
    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 18px;
    --radius-xl: 22px;

    --radius: 14px;

    --height-16: 16px;
    --height-24: 24px;
    --height-32: 32px;
    --height-40: 40px;

    /* ---------- SHADOWS ---------- */
    --shadow-1: 0 10px 30px rgba(0,0,0,0.28);
    --shadow-2: 0 16px 50px rgba(0,0,0,0.38);
    --shadow-soft: 0 6px 18px rgba(0,0,0,0.22);

    /* ---------- MOTION ---------- */
    --motion-fast: 160ms;
    --motion: 220ms;
    --motion-slow: 320ms;
    --ease-out: cubic-bezier(0.16,1,0.3,1);
}


/* =========================================================
   2. LIGHT THEME (AUTO - SYSTEM)
   ========================================================= */

@media (prefers-color-scheme: light) {
    :root {
        --bg-main: #F5F7FA;
        --bg-soft: rgba(0,0,0,0.04);
        --card-bg: rgba(255,255,255,0.85);

        --text-primary: #0B1220;
        --text-secondary: rgba(11,18,32,0.65);
        --text-muted: rgba(11,18,32,0.45);

        --divider: rgba(0,0,0,0.12);

        --input-bg: rgba(0,0,0,0.03);
        --input-border: rgba(0,0,0,0.18);

        --shadow-1: 0 10px 30px rgba(0,0,0,0.12);
        --shadow-2: 0 16px 50px rgba(0,0,0,0.18);
        --shadow-soft: 0 6px 18px rgba(0,0,0,0.10);
    }
}


/* =========================================================
   3. MANUAL THEME OVERRIDE (FOR JS TOGGLE)
   ========================================================= */

/* DARK */
[data-theme="dark"] {
    --bg-main: #0B1220;
    --bg-soft: rgba(255,255,255,0.06);
    --card-bg: rgba(255,255,255,0.08);

    --text-primary: rgba(255,255,255,0.92);
    --text-secondary: rgba(255,255,255,0.68);
    --text-muted: rgba(255,255,255,0.45);

    --divider: rgba(255,255,255,0.14);
    --input-bg: rgba(255,255,255,0.06);
    --input-border: rgba(255,255,255,0.16);
}

/* LIGHT */
[data-theme="light"] {
    --bg-main: #F5F7FA;
    --bg-soft: rgba(0,0,0,0.04);
    --card-bg: rgba(255,255,255,0.85);

    --text-primary: #0B1220;
    --text-secondary: rgba(11,18,32,0.65);
    --text-muted: rgba(11,18,32,0.45);

    --divider: rgba(0,0,0,0.12);
    --input-bg: rgba(0,0,0,0.03);
    --input-border: rgba(0,0,0,0.18);

    --shadow-1: 0 10px 30px rgba(0,0,0,0.12);
    --shadow-2: 0 16px 50px rgba(0,0,0,0.18);
}


/* =========================================================
   4. GLOBAL ELEMENTS
   ========================================================= */

*,
*::before,
*::after {
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html {
    background: var(--bg-main);
}

body {
    background: var(--bg-main);
    color: var(--text-primary);
    font-family: -apple-system, BlinkMacSystemFont,
    "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    margin: 0;
}


/* =========================================================
   5. TYPOGRAPHY
   ========================================================= */

h1, h2, h3 {
    color: var(--text-primary);
    font-weight: 600;
}

p {
    color: var(--text-secondary);
}

.small,
.muted {
    font-size: 12px;
    color: var(--text-muted);
}


/* =========================================================
   6. INPUTS
   ========================================================= */

input,
textarea,
select {
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    color: var(--text-primary);
    border-radius: var(--radius-md);
}

input::placeholder {
    color: var(--text-muted);
}

input:focus {
    outline: none;
    border-color: var(--btn-primary);
    box-shadow: 0 0 0 3px var(--focus-ring);
}

input.error {
    border-color: var(--error);
    box-shadow: 0 0 0 2px rgba(255,77,79,0.35);
}

input.success {
    border-color: var(--success);
    box-shadow: 0 0 0 2px rgba(74,222,128,0.35);
}


/* =========================================================
   7. BUTTONS
   ========================================================= */

button {
    font-family: inherit;
    cursor: pointer;
}

.btn-primary {
    background: var(--btn-primary);
    color: var(--btn-primary-text);
    border: none;
    border-radius: var(--radius-md);
    box-shadow: 0 10px 26px rgba(1,112,137,0.28);
    transition:
            transform var(--motion-fast) var(--ease-out),
            box-shadow var(--motion) var(--ease-out),
            background var(--motion);
}

.btn-primary:hover {
    background: var(--btn-primary-hover);
}

.btn-primary:active {
    transform: translateY(1px) scale(0.99);
    box-shadow: 0 6px 16px rgba(1,112,137,0.22);
}

.btn-outline {
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--divider);
    color: var(--text-primary);
    border-radius: var(--radius-md);
}

.btn-outline:active {
    background: var(--bg-soft);
}


/* =========================================================
   8. UTILITIES
   ========================================================= */

.hidden { display: none !important; }
.text-center { text-align: center; }

.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }

/* =========================================================
   9. SAFE AREA (iOS)
   ========================================================= */

.safe-bottom {
    padding-bottom: env(safe-area-inset-bottom);
}