/* ============================================
   MegaPay Register & OTP - Modern CSS
   ============================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
    --primary-color: #eb2525;
    --primary-light: #feecdb;
    --primary-dark: #c41e1e;
    --secondary-color: #b9106d;
    --accent-color: #f59e0b;
    --dark-color: #0f172a;
    --light-color: #ffffff;
    --gray-50: #f8fafc;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --gradient: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    --card-shadow-lg: 0 20px 40px rgba(0,0,0,0.12);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    min-height: 100vh;
    color: var(--dark-color);
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--primary-light) 50%, var(--gray-50) 100%);
    -webkit-font-smoothing: antialiased;
}

.main { min-height: 100vh; display: flex; align-items: center; justify-content: center; }

.container {
    display: flex; align-items: center; justify-content: center;
    padding: 24px; width: 100%;
}

.form-container { width: 100%; max-width: 440px; }

form {
    background: var(--light-color);
    padding: 36px 32px;
    border-radius: 18px;
    box-shadow: var(--card-shadow-lg);
    border: 1px solid rgba(0,0,0,0.06);
}

.title { text-align: center; margin-bottom: 24px; }
.title .logo img { width: 70px; height: 70px; object-fit: contain; margin-bottom: 12px; }
.title h2 { font-size: 1.4rem; font-weight: 700; color: var(--primary-color); }

.input-control { position: relative; margin-bottom: 14px; }

.input-control label {
    display: flex; align-items: center; gap: 8px;
    font-size: 0.88rem; font-weight: 600; color: var(--dark-color); margin-bottom: 6px;
}

.input-control label i { color: var(--gray-400); font-size: 0.85rem; }

.input-control input {
    width: 100%; padding: 12px 14px;
    border: 1.5px solid var(--gray-300); border-radius: 10px;
    font-size: 0.95rem; font-family: inherit; color: var(--dark-color);
    background: var(--light-color); outline: none;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.input-control input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(235, 37, 37, 0.1);
}

.input-control input::placeholder { color: var(--gray-400); font-size: 0.85rem; }
.input-control span { display: block; font-size: 0.8rem; color: var(--danger-color); margin-top: 4px; min-height: 1em; }

.input-control #show {
    position: absolute; right: 14px; bottom: 22px;
    cursor: pointer; color: var(--gray-400); transition: color 0.2s; font-size: 0.95rem;
}
.input-control #show:hover { color: var(--dark-color); }

.remember-forgot { margin-bottom: 16px; }

.check {
    display: flex; align-items: center; gap: 8px; font-size: 0.85rem;
}

.check input[type="checkbox"] {
    accent-color: var(--primary-color); width: 16px; height: 16px; cursor: pointer;
}

.check label { color: var(--gray-600); cursor: pointer; font-weight: 500; }

.button { margin-top: 8px; }

.button button {
    width: 100%; padding: 13px; border: none; border-radius: 12px;
    font-size: 1rem; font-weight: 700; color: var(--light-color);
    background: var(--gradient); cursor: pointer; font-family: inherit;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 6px 20px rgba(235, 37, 37, 0.35);
}

.button button:hover { transform: translateY(-1px); box-shadow: 0 8px 28px rgba(235, 37, 37, 0.45); }
.button button:active { transform: translateY(0); }

.signin-signup { text-align: center; margin-top: 18px; font-size: 0.9rem; color: var(--gray-500); }
.signin-signup a { color: var(--primary-color); font-weight: 600; margin-left: 4px; }
.signin-signup a:hover { text-decoration: underline; }

.icons { display: flex; justify-content: center; gap: 12px; margin-top: 18px; }

.icons i {
    width: 38px; height: 38px; display: flex; align-items: center; justify-content: center;
    border: 1px solid var(--gray-200); border-radius: 10px; color: var(--gray-500);
    font-size: 0.9rem; cursor: pointer; transition: all 0.2s;
}
.icons i:hover { color: var(--primary-color); border-color: var(--primary-color); transform: translateY(-1px); }

.footer {
    text-align: center; margin-top: 18px; padding-top: 14px;
    border-top: 1px dashed var(--gray-200); font-size: 0.8rem; color: var(--gray-500); line-height: 1.6;
}
.footer a { color: var(--accent-color); margin-left: 4px; }

/* ========== OTP SPECIFIC ========== */
.otp-info {
    text-align: center; font-size: 0.9rem; color: var(--gray-600);
    margin-bottom: 20px; line-height: 1.6;
}

.phone-number { font-weight: 700; color: var(--primary-color); font-size: 1.1rem; }

.otp-error {
    background: rgba(239, 68, 68, 0.1); color: #991b1b;
    border-left: 4px solid var(--danger-color); border-radius: 8px;
    padding: 12px 16px; margin-bottom: 16px; font-size: 0.9rem;
    display: flex; align-items: center; gap: 8px;
}

.otp-links {
    display: flex; justify-content: space-between; margin-top: 16px; flex-wrap: wrap; gap: 8px;
}

.otp-links a {
    color: var(--primary-color); font-size: 0.85rem; font-weight: 600;
    display: flex; align-items: center; gap: 6px; transition: color 0.2s;
}
.otp-links a:hover { color: var(--primary-dark); }

/* ========== POPUP ========== */
.popup {
    position: fixed; top: 16px; left: 50%; transform: translateX(-50%);
    width: 90%; max-width: 420px; padding: 14px 20px;
    font-size: 0.9rem; font-weight: 600; text-align: center;
    border-radius: 12px; color: white; opacity: 0; visibility: hidden;
    transition: opacity 0.4s, visibility 0.4s; z-index: 9999;
    display: flex; align-items: center; justify-content: center; gap: 10px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}
.popup.success { background: linear-gradient(135deg, #10b981, #059669); }
.popup.error { background: linear-gradient(135deg, #ef4444, #dc2626); }
.popup.show { opacity: 1; visibility: visible; }

@media (max-width: 480px) {
    .container { padding: 16px; }
    form { padding: 28px 20px; border-radius: 14px; }
    .title h2 { font-size: 1.2rem; }
    .title .logo img { width: 55px; height: 55px; }
}