/* assets/css/ios-style.css */

:root {
    --bg-color: #F5F5F7; /* Abu-abu muda khas gadget */
    --card-bg: #FFFFFF;
    --primary: #0071E3;  /* Biru Modern */
    --success: #34C759;
    --danger: #FF3B30;
    --warning: #FF9500;
    --text-main: #1D1D1F;
    --text-muted: #86868B;
    --shadow-soft: 0 8px 30px rgba(0, 0, 0, 0.04);
    --shadow-hover: 0 20px 40px rgba(0, 0, 0, 0.08);
    --radius: 24px;      /* Sudut sangat membulat */
}

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

/* Glassmorphism Navbar */
.navbar-glass {
    background-color: rgba(255, 255, 255, 0.75) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-brand {
    font-weight: 700;
    letter-spacing: -0.5px;
    font-size: 1.2rem;
}

/* Modern Card */
.card {
    border: none;
    border-radius: var(--radius);
    background: var(--card-bg);
    box-shadow: var(--shadow-soft);
    transition: all 0.3s ease;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.card-header {
    background: transparent;
    border-bottom: 1px solid #F5F5F7;
    padding: 20px 25px;
    font-weight: 600;
}

/* Rounded Buttons */
.btn {
    border-radius: 50px; /* Bentuk kapsul */
    padding: 10px 24px;
    font-weight: 500;
    letter-spacing: 0.3px;
    border: none;
    transition: all 0.2s;
}

.btn-primary { background-color: var(--primary); }
.btn-primary:hover { background-color: #005bb5; transform: scale(1.02); }

.btn-success { background-color: var(--success); }
.btn-danger { background-color: var(--danger); }

/* Form Inputs */
.form-control {
    border-radius: 16px;
    border: 1px solid #D2D2D7;
    padding: 12px 16px;
    background-color: #FAFAFC;
    font-size: 1rem;
}

.form-control:focus {
    background-color: #fff;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(0, 113, 227, 0.15);
}

/* Typography & Layout */
.display-title {
    font-weight: 700;
    letter-spacing: -1px;
    color: #1D1D1F;
}

/* Navigasi Soal (Squircle shape) */
.nomor-nav {
    width: 45px;
    height: 45px;
    border-radius: 14px;
    margin: 5px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid transparent;
    transition: all 0.2s;
}
.nomor-nav:hover { transform: scale(1.1); }

/* Login Page Specific */
.login-bg {
    background: radial-gradient(circle at top left, #a1c4fd 0%, #c2e9fb 100%);
}