@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
    --primary: #10b981;
    --primary-dark: #059669;
    --primary-light: #d1fae5;
    --primary-glow: rgba(16,185,129,0.15);
    --bg: #f8fafc;
    --white: #ffffff;
    --text-dark: #0f172a;
    --text-mid: #475569;
    --text-light: #94a3b8;
    --border: #e2e8f0;
    --border-light: #f1f5f9;
    --radius: 12px;
    --radius-lg: 24px;
    --shadow: 0 25px 50px -12px rgba(0,0,0,0.08);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.04);
    --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    background: var(--bg);
    position: relative;
    overflow: hidden;
}

/* ===== ANIMATED BACKGROUND ===== */
body::before {
    content: '';
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(16,185,129,0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(59,130,246,0.04) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(139,92,246,0.03) 0%, transparent 50%);
    animation: bgShift 20s ease-in-out infinite alternate;
    z-index: 0;
}

@keyframes bgShift {
    0%   { transform: translate(0, 0) rotate(0deg); }
    100% { transform: translate(-2%, -2%) rotate(3deg); }
}

/* ===== CONTAINER ===== */
.container {
    background: var(--white);
    width: 100%;
    max-width: 960px;
    display: flex;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    position: relative;
    z-index: 1;
    border: 1px solid var(--border-light);
}

/* ===== LEFT PANEL ===== */
.left {
    flex: 0 0 380px;
    background: linear-gradient(160deg, #059669 0%, #10b981 40%, #34d399 100%);
    color: white;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

/* Decorative circles */
.left::before {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: rgba(255,255,255,0.06);
    top: -80px;
    right: -80px;
}

.left::after {
    content: '';
    position: absolute;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: rgba(255,255,255,0.04);
    bottom: -60px;
    left: -60px;
}

.left .logo img {
    height: 88px;
    width: 88px;
    background: rgba(255,255,255,0.95);
    border-radius: 22px;
    padding: 14px;
    box-shadow: 0 12px 32px rgba(0,0,0,0.12);
    margin-bottom: 28px;
    position: relative;
    z-index: 1;
    transition: transform 0.3s ease;
}

.left .logo img:hover {
    transform: scale(1.05);
}

.left .sublog {
    position: relative;
    z-index: 1;
}

.left .sublog h4 {
    font-size: 2rem;
    font-weight: 800;
    margin: 0;
    letter-spacing: -0.5px;
    line-height: 1.1;
}

.left .sublog h5 {
    font-weight: 400;
    font-size: 0.85rem;
    opacity: 0.8;
    margin-top: 10px;
    letter-spacing: 1.5px;
    font-style: normal;
}

/* ===== RIGHT PANEL ===== */
.right {
    flex: 1;
    padding: 48px 44px;
    background: var(--white);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.right h2 {
    margin: 0 0 4px;
    color: var(--text-dark);
    font-weight: 800;
    font-size: 1.75rem;
    letter-spacing: -0.5px;
}

.form-subtitle {
    font-size: 14px;
    color: var(--text-light);
    margin: 0;
    font-weight: 400;
}

/* ===== FORMS ===== */
form {
    display: flex;
    flex-direction: column;
    gap: 18px;
    margin-top: 28px;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.input-group label {
    color: var(--text-mid);
    font-weight: 600;
    font-size: 13px;
    letter-spacing: 0.01em;
}

.input-group input,
.input-group select {
    padding: 12px 16px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    font-size: 14px;
    transition: var(--transition);
    background: var(--bg);
    font-family: 'Inter', sans-serif;
    color: var(--text-dark);
}

.input-group input::placeholder {
    color: var(--text-light);
    font-weight: 400;
}

.input-group input:hover,
.input-group select:hover {
    border-color: #cbd5e1;
}

.input-group input:focus,
.input-group select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px var(--primary-glow);
    background: var(--white);
    outline: none;
}

select {
    appearance: none;
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2394a3b8' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    background-size: 12px;
    padding-right: 36px;
}

.g-recaptcha {
    margin: 4px auto 0;
    transform: scale(0.92);
    transform-origin: center;
}

/* ===== SUBMIT BUTTON ===== */
button.submit {
    background: var(--primary);
    color: white;
    border: none;
    padding: 14px;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 4px;
    position: relative;
    overflow: hidden;
    letter-spacing: 0.01em;
}

button.submit::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(rgba(255,255,255,0.1), transparent);
    opacity: 0;
    transition: opacity 0.2s;
}

button.submit:hover {
    background: var(--primary-dark);
    box-shadow: 0 6px 20px rgba(16,185,129,0.3);
    transform: translateY(-1px);
}

button.submit:hover::after {
    opacity: 1;
}

button.submit:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(16,185,129,0.2);
}

/* ===== FORGOT PASSWORD ===== */
.forgot-link {
    text-align: right;
    margin-top: -8px;
}

.forgot-link a {
    font-size: 13px;
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.forgot-link a:hover {
    color: var(--primary);
}

/* ===== TOGGLE ===== */
.toggle {
    text-align: center;
    margin-top: 28px;
    font-size: 14px;
    color: var(--text-light);
    padding-top: 24px;
    border-top: 1px solid var(--border-light);
}

.toggle p {
    margin-bottom: 4px;
}

.toggle a {
    color: var(--primary);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
}

.toggle a:hover {
    color: var(--primary-dark);
}

/* ===== ERROR MESSAGE ===== */
.error-message {
    color: #dc2626;
    background: #fef2f2;
    border: 1px solid #fecaca;
    padding: 12px 16px;
    border-radius: var(--radius);
    margin-top: 16px;
    font-size: 13px;
    text-align: center;
    font-weight: 500;
}

.swal2-confirm { background-color: var(--primary) !important; }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
    .container {
        flex-direction: column;
        max-width: 460px;
        margin: 0 auto;
    }

    .left {
        flex: none;
        padding: 44px 30px;
    }

    .left .logo img {
        height: 76px;
        width: 76px;
        padding: 12px;
        margin-bottom: 20px;
    }

    .left .sublog h4 { font-size: 1.6rem; }
    .left .sublog h5 { font-size: 0.8rem; }

    .right {
        padding: 36px 30px;
    }

    .right h2 {
        font-size: 1.5rem;
        text-align: center;
    }

    .form-subtitle {
        text-align: center;
    }
}

@media (max-width: 480px) {
    body { padding: 12px; }

    .container {
        border-radius: 18px;
    }

    .left {
        padding: 36px 24px;
    }

    .left::before,
    .left::after {
        display: none;
    }

    .left .logo img {
        height: 68px;
        width: 68px;
        padding: 10px;
        border-radius: 18px;
    }

    .left .sublog h4 { font-size: 1.4rem; }

    .right {
        padding: 28px 22px;
    }

    .right h2 { font-size: 1.35rem; }

    form { gap: 14px; margin-top: 22px; }

    .input-group input,
    .input-group select {
        padding: 11px 14px;
        font-size: 14px;
    }

    button.submit { padding: 12px; }

    .toggle {
        margin-top: 22px;
        padding-top: 18px;
        font-size: 13px;
    }

    .g-recaptcha { transform: scale(0.84); }
}

/* ===== FORM TRANSITION ===== */
#loginForm, #signupForm {
    animation: formFade 0.3s ease;
}

@keyframes formFade {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}