:root {
    color-scheme: light dark;
    --accent: #0069c0;
    --background: #f3f4f6;
    --surface: #ffffff;
    --surface-border: rgba(15, 23, 42, 0.08);
    --text: #1f2933;
    --muted: #4d5968;
    --highlight: rgba(0, 0, 0, 0.14);
    --highlight2: rgba(0, 0, 0, 0.30);
    --focus0: #0f172a;
    --focus1: #c026d3;
    --focus2: #00a35f;
    --focus3: #ad7702;
}

@media (prefers-color-scheme: dark) {
    :root {
        --background: #0f172a;
        --surface: #111827;
        --surface-border: rgba(255, 255, 255, 0.06);
        --text: #e5e7eb;
        --muted: #94a3b8;
        --highlight: rgba(255, 255, 255, 0.14);
        --highlight2: rgba(255, 255, 255, 0.30);
        --focus0: #fff;
        --focus1: #d946ef;
        --focus2: #03d07a;
        --focus3: #d08f03;
    }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
    background: var(--background);
    font-family: "Montserrat", "Arial", sans-serif;
}

body {
    color: var(--text);
}

/************ BUTTONS ************/
button {
    border: none;
    border-radius: 999px;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

button:focus-visible {
    outline: 3px solid rgba(0, 105, 192, 0.35);
    outline-offset: 3px;
}

.btn-primary {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 12px 18px rgba(0, 105, 192, 0.25);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 16px 26px rgba(0, 105, 192, 0.35);
}

.btn-ghost {
    background: transparent;
    color: var(--accent);
}

.btn-secondary {
    background: transparent;
    color: var(--accent);
    border: 1px solid var(--accent);
    border-radius: 999px;
    padding: 0.65rem 1.2rem;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
}

.btn-secondary:hover {
    background: rgba(0, 105, 192, 0.12);
}

.icon-btn {
    width: 48px;
    height: 48px;
    padding: 0;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.icon-btn svg {
    width: 22px;
    height: 22px;
}

.icon-btn--reset {
    background: rgba(15, 23, 42, 0.18);
    color: #fff;
    border: none;
}

.icon-btn--reset:hover {
    background: rgba(15, 23, 42, 0.28);
}

@media (prefers-color-scheme: dark) {
    .icon-btn--reset {
        background: rgba(255, 255, 255, 0.14);
    }

    .icon-btn--reset:hover {
        background: rgba(255, 255, 255, 0.22);
    }
}