:root {
    --primary: #1d4ed8;
    --primary-light: #3b82f6;
    --primary-dark: #1e3a8a;
    --primary-soft: #eff6ff;

    --white: #ffffff;
    --bg: #f1f5f9;
    --card: #ffffff;
    --border: #e2e8f0;

    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;

    --success: #16a34a;
    --success-soft: #f0fdf4;
    --danger: #dc2626;
    --danger-soft: #fef2f2;
    --warning: #d97706;
    --yellow: #f59e0b;
    --purple: #8b5cf6;

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.14);

    --radius-sm: 6px;
    --radius: 12px;
    --radius-lg: 16px;

    --transition: all 0.2s ease;
    --font: 'Poppins', sans-serif;
}

/* ── Dark mode ── */
[data-theme="dark"] {
    --bg: #0f172a;
    --card: #1e293b;
    --border: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #64748b;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
}


*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
}

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
}

button {
    cursor: pointer;
    font-family: var(--font);
}

input,
select,
textarea {
    font-family: var(--font);
}

/* ── Form controls ── */
.form-group {
    margin-bottom: 18px;
}

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.form-control {
    width: 100%;
    padding: 11px 14px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 13.5px;
    font-family: var(--font);
    color: var(--text-primary);
    background: var(--card);
    outline: none;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(29, 78, 216, 0.08);
}

.form-control::placeholder {
    color: var(--text-muted);
}

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 22px;
    border-radius: var(--radius-sm);
    font-size: 13.5px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    font-family: var(--font);
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.btn-primary:active {
    transform: translateY(0);
}

.w-100 {
    width: 100%;
}

/* ── Spinner ── */
.btn-spinner {
    width: 17px;
    height: 17px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.75s linear infinite;
    flex-shrink: 0;
}

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

/* ======= REMOVE LIGHT BLUE HIGHLIGHTS ONCLICK ======== */
* {
    outline: none;
    -webkit-tap-highlight-color: transparent;
    scroll-behavior: smooth;
}

a,
img,
button,
input {
    outline: none;
    -webkit-tap-highlight-color: transparent;
}

a,
img,
button,
input {
    outline: none !important;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0) !important;
    -moz-tap-highlight-color: rgba(0, 0, 0, 0) !important;
    -ms-tap-highlight-color: rgba(0, 0, 0, 0) !important;
    tap-highlight-color: rgba(0, 0, 0, 0) !important;
}