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

:root {
    --primary-color: #FFD900;
    --primary-dark: #ffc400;
    --primary-light: #fffef5;
    --text-primary: #1a1a1a;
    --text-secondary: #666666;
    --text-tertiary: #999999;
    --border-color: #e0e0e0;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --error-color: #ff4444;
    --success-color: #4CAF50;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html, body {
    height: 100%;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-white);
    color: var(--text-primary);
}

/* ===== LOGIN CONTAINER ===== */
.login-container {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* ===== LEFT SECTION - BRANDING ===== */
.left-section {
    flex: 1;
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    position: relative;
    overflow: hidden;
}

.geometric-background {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    opacity: 0.1;
}

.shape {
    position: absolute;
    border: 2px solid var(--primary-color);
}

.shape-1 {
    width: 300px;
    height: 300px;
    top: -100px;
    right: -100px;
    border-radius: 0;
    animation: float 6s ease-in-out infinite;
}

.shape-2 {
    width: 200px;
    height: 200px;
    bottom: -50px;
    left: -50px;
    border-radius: 50%;
    animation: float 8s ease-in-out infinite reverse;
}

.shape-3 {
    width: 150px;
    height: 150px;
    top: 50%;
    left: 10%;
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
    animation: rotate 10s linear infinite;
}

.shape-4 {
    width: 100px;
    height: 100px;
    top: 20%;
    right: 15%;
    border-radius: 10px;
    animation: pulse 4s ease-in-out infinite;
}

.shape-5 {
    width: 250px;
    height: 2px;
    bottom: 30%;
    left: 5%;
    background: var(--primary-color);
    animation: slideIn 8s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-30px) rotate(5deg); }
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

@keyframes slideIn {
    0%, 100% { width: 250px; opacity: 0.3; }
    50% { width: 300px; opacity: 0.8; }
}

.branding-content {
    position: relative;
    z-index: 10;
    text-align: center;
    color: var(--bg-white);
    max-width: 400px;
}

.logo-container {
    margin-bottom: 3rem;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    font-size: 1.5rem;
}

.logo-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-radius: 8px;
    font-size: 2rem;
    color: var(--text-primary);
    font-weight: 700;
}

.logo-text {
    font-size: 1.75rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tagline {
    margin-bottom: 3rem;
}

.tagline h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    line-height: 1.3;
}

.tagline p {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

.features {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 2rem;
}

.feature {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: rgba(255, 217, 0, 0.1);
    border-radius: 8px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 217, 0, 0.2);
    transition: var(--transition);
}

.feature:hover {
    background: rgba(255, 217, 0, 0.15);
    border-color: rgba(255, 217, 0, 0.4);
    transform: translateX(5px);
}

.feature-icon {
    font-size: 30px;
    flex-shrink: 0;
    color: var(--primary-color);
}

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

.eye-icon {
    font-size: 24px;
    color: var(--text-tertiary);
}

.feature-text {
    text-align: left;
}

.feature-text h3 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--primary-color);
}

.feature-text p {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
}

/* ===== RIGHT SECTION - LOGIN FORM ===== */
.right-section {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    background: var(--bg-white);
    position: relative;
    overflow: hidden;
}

.form-container {
    width: 100%;
    max-width: 400px;
    position: relative;
    z-index: 10;
}

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

.form-header h2 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

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

/* ===== FORM STYLES ===== */
.login-form,
.signup-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

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

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

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"] {
    padding: 0.875rem 1rem;
    border: 1.5px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.95rem;
    font-family: inherit;
    transition: var(--transition);
    background: var(--bg-white);
}

.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus,
.form-group input[type="password"]:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 217, 0, 0.1);
    background: var(--primary-light);
}

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

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

.password-input-wrapper input {
    width: 100%;
}

.toggle-password {
    position: absolute;
    right: 1rem;
    background: none;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    padding: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.error-message {
    font-size: 0.8rem;
    color: var(--error-color);
    display: none;
}

.error-message.show {
    display: block;
}

.form-group.error input {
    border-color: var(--error-color);
    box-shadow: 0 0 0 3px rgba(255, 68, 68, 0.1);
}

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

.remember-me {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    color: var(--text-secondary);
}

.remember-me input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--primary-color);
}

.forgot-password {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

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

/* ===== BUTTONS ===== */
.btn {
    padding: 0.875rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    font-family: inherit;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:active::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--text-primary);
    width: 100%;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255, 217, 0, 0.3);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-google {
    background: var(--bg-light);
    color: var(--text-primary);
    border: 1.5px solid var(--border-color);
    width: 100%;
}

.btn-google:hover {
    border-color: var(--primary-color);
    background: var(--primary-light);
    box-shadow: 0 4px 12px rgba(255, 217, 0, 0.1);
}

.google-icon {
    width: 20px;
    height: 20px;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* ===== DIVIDER ===== */
.divider {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

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

/* ===== SOCIAL LOGIN ===== */
.social-login {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

/* ===== SIGNUP LINK ===== */
.signup-link {
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 1rem;
}

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

.signup-link a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* ===== LOADING SPINNER ===== */
.loading-spinner {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.95);
    z-index: 100;
    gap: 1rem;
}

.loading-spinner.active {
    display: flex;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-spinner p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ===== SUCCESS MESSAGE ===== */
.success-message {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.95);
    z-index: 100;
    gap: 1rem;
}

.success-message.active {
    display: flex;
}

.success-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--text-primary);
    animation: scaleIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes scaleIn {
    from {
        transform: scale(0);
    }
    to {
        transform: scale(1);
    }
}

.success-message p {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* ===== MODAL ===== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    z-index: 999;
    backdrop-filter: blur(4px);
}

.modal-overlay.active {
    display: block;
}

.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    background: var(--bg-white);
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    max-width: 450px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    z-index: 1000;
    display: none;
    opacity: 0;
    transition: var(--transition);
}

.modal.active {
    display: block;
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

.modal-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: none;
    border: none;
    font-size: 1.75rem;
    cursor: pointer;
    color: var(--text-tertiary);
    transition: var(--transition);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    color: var(--text-primary);
    background: var(--bg-light);
    border-radius: 50%;
}

.modal-header {
    padding: 2rem 2rem 1rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.modal-header p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.modal-content {
    padding: 2rem;
}

.signup-form {
    gap: 1rem;
}

.form-group.checkbox {
    flex-direction: row;
    align-items: flex-start;
}

.form-group.checkbox label {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    cursor: pointer;
    font-weight: 400;
}

.form-group.checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    cursor: pointer;
    accent-color: var(--primary-color);
    flex-shrink: 0;
}

.form-group.checkbox a {
    color: var(--primary-color);
    text-decoration: none;
}

.form-group.checkbox a:hover {
    text-decoration: underline;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
    .left-section {
        flex: 0.8;
    }

    .right-section {
        flex: 1.2;
    }

    .tagline h1 {
        font-size: 1.5rem;
    }

    .features {
        gap: 1rem;
    }

    .feature {
        padding: 0.75rem;
    }
}

@media (max-width: 768px) {
    .login-container {
        flex-direction: column;
    }

    .left-section {
        flex: 0;
        display: none;
    }

    .right-section {
        flex: 1;
        padding: 2rem 1.5rem;
    }

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

    .form-header h2 {
        font-size: 1.5rem;
    }

    .modal {
        max-width: 90%;
        width: 100%;
    }

    .modal-header {
        padding: 1.5rem 1.5rem 1rem;
    }

    .modal-content {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .login-container {
        height: 100%;
    }

    .right-section {
        padding: 1.5rem 1rem;
        justify-content: flex-start;
        padding-top: 2rem;
    }

    .form-header {
        margin-bottom: 1.5rem;
    }

    .form-header h2 {
        font-size: 1.25rem;
    }

    .form-header p {
        font-size: 0.85rem;
    }

    .btn {
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }

    .modal {
        max-width: 95%;
        max-height: 95vh;
    }
}

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.form-container {
    animation: fadeIn 0.5s ease-out;
}

.modal.active {
    animation: fadeIn 0.3s ease-out;
}