/* =========================
   RESET + GLOBAL
========================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root{
    --primary:#6C63FF;
    --secondary:#4FC3F7;
    --dark:#111827;
    --muted:#6B7280;
    --white:#ffffff;
    --border:#E6EAF2;
    --success-bg:#DCFCE7;
    --success-text:#166534;
    --error-bg:#FEE2E2;
    --error-text:#991B1B;
    --shadow:0 20px 45px rgba(0,0,0,.12);
    --radius:24px;
}

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    min-height: 100vh;
    color: var(--dark);
}

a {
    text-decoration: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: auto;
    padding: 20px;
}

/* =========================
   BUTTONS
========================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 22px;
    border-radius: 16px;
    border: none;
    cursor: pointer;
    font-weight: 800;
    font-size: 15px;
    transition: .25s ease;
}

.btn:hover {
    transform: translateY(-2px);
}

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

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255,255,255,.8);
}

.btn-gradient {
    width: 100%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--white);
}

/* =========================
   INPUTS
========================= */
.input {
    width: 100%;
    padding: 14px 16px;
    border-radius: 16px;
    border: 1px solid var(--border);
    font-size: 15px;
    outline: none;
    transition: .2s ease;
    background: #fff;
}

.input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(108,99,255,.10);
}

.form-group {
    display: grid;
    gap: 8px;
}

label {
    font-size: 14px;
    font-weight: 700;
    color: #374151;
}

/* =========================
   CARDS
========================= */
.card {
    background: rgba(255,255,255,.14);
    border: 1px solid rgba(255,255,255,.22);
    border-radius: 28px;
    padding: 24px;
    backdrop-filter: blur(8px);
    box-shadow: 0 18px 40px rgba(0,0,0,.08);
}

.white-card {
    background: var(--white);
    border-radius: 28px;
    padding: 30px;
    box-shadow: var(--shadow);
}

/* =========================
   ALERTS
========================= */
.alert {
    padding: 14px 16px;
    border-radius: 16px;
    margin-bottom: 18px;
    font-weight: 600;
}

.alert.success {
    background: var(--success-bg);
    color: var(--success-text);
}

.alert.error {
    background: var(--error-bg);
    color: var(--error-text);
}

/* =========================
   HELPERS
========================= */
.text-center { text-align: center; }
.mt-10 { margin-top: 10px; }
.mt-14 { margin-top: 14px; }
.mt-18 { margin-top: 18px; }
.mt-24 { margin-top: 24px; }
.mt-28 { margin-top: 28px; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }

.muted {
    color: var(--muted);
}

.link {
    color: var(--primary);
    font-weight: 700;
}