:root {
    --bg-dark: #020617;
    --bg-card: #0f172a;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent: #6366f1;
    --accent-hover: #4f46e5;
    --border: #1e293b;
    --error: #ef4444;
}

body {
    margin: 0;
    font-family: 'Plus Jakarta Sans', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(99, 102, 241, 0.1), transparent 20%),
        radial-gradient(circle at 90% 80%, rgba(16, 185, 129, 0.05), transparent 20%);
}

.auth-container {
    width: 100%;
    max-width: 420px;
    padding: 20px;
}

.auth-card {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: 16px;
    border: 1px solid var(--border);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

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

.logo {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    font-weight: 800;
    font-size: 1.5rem;
    color: white;
    text-decoration: none;
    margin-bottom: 1.5rem;
}

.logo i { color: var(--accent); }

.auth-header h2 {
    margin: 0 0 0.5rem;
    font-size: 1.5rem;
}

.auth-header p {
    color: var(--text-secondary);
    margin: 0;
    font-size: 0.95rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
}

.input-wrapper {
    position: relative;
}

.input-wrapper i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.input-wrapper input {
    width: 100%;
    padding: 12px 14px 12px 40px; /* Space for icon */
    background: #1e293b;
    border: 1px solid var(--border);
    border-radius: 8px;
    color: white;
    font-family: inherit;
    font-size: 0.95rem;
    box-sizing: border-box;
    transition: all 0.2s;
}

.input-wrapper input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
    background: #0f172a;
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.checkbox-wrapper {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    color: var(--text-secondary);
    position: relative;
    user-select: none;
}

.checkbox-wrapper input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.checkmark {
    height: 16px;
    width: 16px;
    background-color: #1e293b;
    border-radius: 4px;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.checkbox-wrapper input:checked ~ .checkmark {
    background-color: var(--accent);
    border-color: var(--accent);
}

.checkmark:after {
    content: "\f00c";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    color: white;
    font-size: 10px;
    display: none;
}

.checkbox-wrapper input:checked ~ .checkmark:after {
    display: block;
}

.forgot-pass {
    color: var(--accent);
    text-decoration: none;
    font-weight: 500;
}

.forgot-pass:hover {
    text-decoration: underline;
}

.btn-submit {
    width: 100%;
    padding: 12px;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-submit:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

.btn-submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.auth-footer {
    margin-top: 1.5rem;
    text-align: center;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.auth-footer a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
}

.error-msg {
    color: var(--error);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    text-align: center;
    min-height: 1.2em;
}