/* ===== CSS Variables ===== */
:root {
    --primary: #137fec;
    --primary-hover: #1171d4;
    --background-light: #f6f7f8;
    --text-dark: #0d141b;
    --text-muted: #4c739a;
    --border-light: #e2e8f0;
    --surface-light: #ffffff;
    --slate-100: #f1f5f9;
    --slate-200: #e2e8f0;
    --slate-300: #cbd5e1;
    --radius-sm: 0.25rem;
    --radius-lg: 0.75rem;
}

/* ===== Base Styles ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.5;
}

.material-symbols-outlined {
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}

/* ===== Login Page ===== */
.login-page {
    min-height: 100vh;
    background-color: var(--background-light);
}

.login-container {
    display: flex;
    min-height: 100vh;
}

/* Left Branding Panel */
.login-branding {
    display: none;
    width: 45%;
    background: linear-gradient(135deg, var(--primary) 0%, #0d5bba 100%);
    color: #ffffff;
    padding: 3rem;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
}

.login-branding::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    pointer-events: none;
}

.login-branding-content {
    position: relative;
    z-index: 1;
}

.login-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 3rem;
}

.login-logo-icon {
    width: 3rem;
    height: 3rem;
}

.login-logo-icon svg {
    width: 100%;
    height: 100%;
}

.login-logo-text {
    font-size: 1.5rem;
    font-weight: 700;
}

.login-branding-text h2 {
    font-size: 2.5rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.login-branding-text p {
    font-size: 1.125rem;
    opacity: 0.9;
    line-height: 1.6;
}

.login-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 3rem;
}

.login-feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9375rem;
    font-weight: 500;
}

.login-feature .material-symbols-outlined {
    font-size: 1.25rem;
    opacity: 0.9;
}

.login-branding-footer {
    position: relative;
    z-index: 1;
}

.login-branding-footer p {
    font-size: 0.875rem;
    opacity: 0.7;
}

/* Right Form Panel */
.login-form-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1.5rem;
    background-color: var(--surface-light);
}

.login-form-wrapper {
    width: 100%;
    max-width: 400px;
}

/* Mobile Logo */
.login-mobile-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 2rem;
    color: var(--primary);
}

.login-mobile-logo .login-logo-icon {
    width: 2.5rem;
    height: 2.5rem;
}

.login-mobile-logo .login-logo-text {
    font-size: 1.25rem;
    color: var(--text-dark);
}

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

.login-form-header h2 {
    font-size: 1.75rem;
    font-weight: 900;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.login-form-header p {
    color: var(--text-muted);
    font-size: 0.9375rem;
}

/* Error Message */
.login-error {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background-color: #fee2e2;
    border: 1px solid #fecaca;
    border-radius: var(--radius-lg);
    color: #dc2626;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
}

.login-error .material-symbols-outlined {
    font-size: 1.25rem;
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-dark);
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: 1rem;
    color: var(--text-muted);
    font-size: 1.25rem;
    pointer-events: none;
}

.form-input {
    width: 100%;
    height: 3rem;
    padding: 0 1rem 0 3rem;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    background-color: var(--surface-light);
    color: var(--text-dark);
    font-size: 0.9375rem;
    transition: all 0.2s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(19, 127, 236, 0.1);
}

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

.password-toggle {
    position: absolute;
    right: 0.75rem;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s ease;
}

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

/* Form Options */
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
}

.checkbox-wrapper {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.form-checkbox {
    width: 1.125rem;
    height: 1.125rem;
    border: 2px solid var(--slate-300);
    border-radius: var(--radius-sm);
    background-color: transparent;
    cursor: pointer;
    appearance: none;
    transition: all 0.2s ease;
}

.form-checkbox:checked {
    background-color: var(--primary);
    border-color: var(--primary);
    background-image: url('data:image/svg+xml,%3csvg viewBox=%270 0 16 16%27 fill=%27white%27 xmlns=%27http://www.w3.org/2000/svg%27%3e%3cpath d=%27M12.207 4.793a1 1 0 010 1.414l-5 5a1 1 0 01-1.414 0l-2-2a1 1 0 011.414-1.414L6.5 9.086l4.293-4.293a1 1 0 011.414 0z%27/%3e%3c/svg%3e');
    background-size: 100%;
    background-position: center;
    background-repeat: no-repeat;
}

.checkbox-label {
    color: var(--text-muted);
}

.forgot-password {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.2s ease;
}

.forgot-password:hover {
    opacity: 0.8;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border: none;
    font-weight: 700;
    transition: all 0.2s ease;
    gap: 0.5rem;
}

.btn-primary {
    background-color: var(--primary);
    color: #ffffff;
    border-radius: var(--radius-lg);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
}

.btn-login {
    width: 100%;
    height: 3rem;
    font-size: 1rem;
    margin-top: 0.5rem;
}

.btn-login .material-symbols-outlined {
    font-size: 1.25rem;
    transition: transform 0.2s ease;
}

.btn-login:hover .material-symbols-outlined {
    transform: translateX(4px);
}

/* Divider */
.login-divider {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 1.5rem 0;
}

.login-divider::before,
.login-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: var(--border-light);
}

.login-divider span {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Social Login */
.social-login {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.btn-social {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    height: 2.75rem;
    padding: 0 1rem;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    background-color: var(--surface-light);
    color: var(--text-dark);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-social:hover {
    background-color: var(--slate-100);
    border-color: var(--slate-300);
}

/* Signup Link */
.login-signup {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.875rem;
    color: var(--text-muted);
}

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

.login-signup a:hover {
    text-decoration: underline;
}

/* Responsive */
@media (min-width: 1024px) {
    .login-branding {
        display: flex;
    }

    .login-mobile-logo {
        display: none;
    }

    .login-form-header {
        text-align: left;
    }

    .login-form-header h2 {
        font-size: 2rem;
    }
}

/* Focus States */
button:focus-visible,
input:focus-visible,
a:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}