/* assets/css/register.css (Light Theme - Cleaned) */

/* --- Base Styles & Variables --- */
:root {
    --primary-color: #4f46e5; /* Indigo */
    --primary-hover: #4338ca;
    --text-color: #1e293b; /* Dark Slate */
    --text-muted: #64748b;
    --bg-color: #f8fafc; /* Very Light Gray */
    --form-bg: #ffffff; /* White */
    --input-bg: #ffffff;
    --border-color: #cbd5e1;
    --error-color: #dc2626;
    --success-color: #16a34a;
    --font-family: 'Inter', sans-serif;
    --border-radius: 0.75rem;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
}

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

html, body {
    width: 100%;
    overflow-x: hidden;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

/* --- Page Layout --- */
.page-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.main-container {
    flex-grow: 1;
    width: 100%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
}

/* --- Background Animation --- */
.background-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1; /* Behind content */
    overflow: hidden;
}

.background-animation .shape {
    position: absolute;
    background: linear-gradient(45deg, var(--primary-color), #818cf8);
    border-radius: 50%;
    opacity: 0.1;
    animation: float 25s infinite ease-in-out;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-40px) rotate(180deg); }
}

/* --- Form Wrapper & Box --- */
.form-wrapper {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 480px;
    animation: fadeIn 0.8s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.form-box {
    background-color: var(--form-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 2.5rem;
    box-shadow: var(--shadow-lg);
}

/* --- Logo & Header --- */
.logo-container {
    text-align: center;
    margin-bottom: 1.5rem;
}

.logo-container a {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    color: var(--text-color);
    transition: transform 0.3s ease;
}

.logo-container a:hover {
    transform: scale(1.05);
}

.logo-img {
    height: 40px;
    margin-right: 0.75rem;
}

.site-name {
    font-size: 1.5rem;
    font-weight: 700;
}

.form-header {
    text-align: center;
    margin-bottom: 2rem;
}

.form-header h2 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.form-header p {
    color: var(--text-muted);
    font-size: 1rem;
}

/* --- Error Message Box --- */
.error-message-box {
    background-color: rgba(220, 38, 38, 0.1);
    border: 1px solid var(--error-color);
    color: var(--error-color);
    padding: 1rem;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    animation: shake 0.5s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

.error-message-box i {
    font-size: 1.2rem;
}

/* --- Form Elements --- */
.registration-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.input-group {
    position: relative;
}

.input-group i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 1.1rem;
    pointer-events: none;
}

.input-group input,
.input-group select {
    width: 100%;
    padding: 0.9rem 1rem 0.9rem 3rem;
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    color: var(--text-color);
    font-size: 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.input-group input::placeholder {
    color: var(--text-muted);
}

.input-group input:focus,
.input-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.2);
}

.password-group .toggle-password {
    left: auto;
    right: 1rem;
    cursor: pointer;
    pointer-events: all;
    transition: color 0.3s ease;
}

.password-group .toggle-password:hover {
    color: var(--primary-color);
}

.terms-group {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.terms-group input[type="checkbox"] {
    width: 1.15em;
    height: 1.15em;
    cursor: pointer;
    accent-color: var(--primary-color);
}

.terms-group label {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.terms-group a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.terms-group a:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

/* --- Buttons & Separator --- */
.submit-btn {
    background: var(--primary-color);
    color: white;
    font-size: 1rem;
    font-weight: 600;
    padding: 0.9rem 1.5rem;
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: transform 0.2s ease, background-color 0.3s ease, box-shadow 0.3s ease;
    box-shadow: var(--shadow);
}

.submit-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.separator {
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--text-muted);
    margin: 0.5rem 0;
}

.separator::before,
.separator::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid var(--border-color);
}

.separator span {
    padding: 0 1rem;
    font-size: 0.9rem;
}

.google-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    background-color: var(--form-bg);
    color: var(--text-color);
    font-size: 1rem;
    font-weight: 500;
    padding: 0.9rem 1.5rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    cursor: pointer;
    text-decoration: none;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.google-btn:hover {
    background-color: var(--bg-color);
    border-color: #94a3b8;
}

.google-btn i {
    font-size: 1.2rem;
}

/* --- Login Redirect Link --- */
.login-redirect {
    text-align: center;
    margin-top: 2rem;
}

.login-redirect p {
    color: var(--text-muted);
}

.login-redirect a {
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
    transition: color 0.3s ease;
}

.login-redirect a:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

/* --- Responsive Design --- */
@media (max-width: 520px) {
    .main-container {
        padding: 2rem 1rem;
    }
    .form-box {
        padding: 2rem 1.5rem;
        border: none;
        box-shadow: none;
    }
    .form-header h2 {
        font-size: 1.5rem;
    }
    .form-header p {
        font-size: 0.9rem;
    }
}