:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --bg-dark: #0a0a0a;
    --bg-light: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: #a3a3a3;
    --error: #ef4444;
    --success: #10b981;
    --warning: #f59e0b;
}

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

body {
    font-family: 'Tajawal', sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow-x: hidden;
    position: relative;
}

/* Background Gradient Animation */
.bg-gradient {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 30% 40%, rgba(99, 102, 241, 0.15), transparent 60%),
        radial-gradient(circle at 70% 60%, rgba(139, 92, 246, 0.12), transparent 60%);
    animation: breathe 8s ease-in-out infinite;
    z-index: 0;
}

@keyframes breathe {
    0%, 100% { opacity: 0.6; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.05); }
}

/* Floating Orbs */
.orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.4;
    animation: float 20s infinite ease-in-out;
    z-index: 1;
}

.orb-1 {
    width: 300px;
    height: 300px;
    background: var(--primary);
    top: -100px;
    right: -100px;
    animation-delay: 0s;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: #8b5cf6;
    bottom: -150px;
    left: -150px;
    animation-delay: 5s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(30px, -30px) rotate(120deg); }
    66% { transform: translate(-20px, 20px) rotate(240deg); }
}

/* Main Container */
.login-wrapper {
    position: relative;
    z-index: 10;
    width: 100%;
    max-width: 420px;
    padding: 2rem;
}

/* For Register page - wider container */
.register-wrapper {
    position: relative;
    z-index: 10;
    width: 100%;
    max-width: 480px;
    padding: 2rem;
}

.login-box {
    background: rgba(26, 26, 26, 0.6);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 32px;
    padding: 3rem 2.5rem;
    box-shadow:
        0 20px 60px rgba(0, 0, 0, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

/* Logo */
.logo-container {
    text-align: center;
    margin-bottom: 2.5rem;
}

.logo {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    animation: fadeInDown 0.8s ease;
}

.logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.title {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, #6366f1, #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
    animation: fadeInDown 0.8s ease 0.2s both;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 400;
    animation: fadeInDown 0.8s ease 0.3s both;
}

/* Form */
.form {
    animation: fadeInUp 0.8s ease 0.4s both;
}

.input-group {
    position: relative;
    margin-bottom: 1.5rem;
}

.input-group input {
    width: 100%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 1rem 3rem 1rem 1.25rem;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
    outline: none;
    font-family: 'Tajawal', sans-serif;
}

.input-group input:focus {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

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

.input-icon {
    position: absolute;
    right: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    transition: all 0.3s ease;
    pointer-events: none;
}

.input-group input:focus ~ .input-icon {
    color: var(--primary);
}

.password-toggle {
    position: absolute;
    left: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0.5rem;
}

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

/* Password Strength Indicator */
.password-strength {
    margin-top: 0.5rem;
    font-size: 0.85rem;
    padding-right: 0.25rem;
    animation: fadeIn 0.3s ease;
}

.strength-weak {
    color: var(--error);
}

.strength-medium {
    color: var(--warning);
}

.strength-strong {
    color: var(--success);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Remember & Forgot */
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 1.5rem 0 2rem;
    font-size: 0.9rem;
}

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

.remember input[type="checkbox"] {
    width: 18px;
    height: 18px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    cursor: pointer;
    accent-color: var(--primary);
}

.forgot-link {
    color: var(--primary);
    text-decoration: none;
    transition: all 0.3s ease;
}

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

/* Terms Checkbox */
.terms-group {
    margin: 1.5rem 0 2rem;
}

.terms-label {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    cursor: pointer;
}

.terms-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-top: 0.2rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    cursor: pointer;
    accent-color: var(--primary);
    flex-shrink: 0;
}

.terms-label a {
    color: var(--primary);
    text-decoration: none;
    transition: all 0.3s ease;
}

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

/* Submit Button */
.submit-btn {
    width: 100%;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    border: none;
    border-radius: 16px;
    padding: 1rem;
    color: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    font-family: 'Tajawal', sans-serif;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(99, 102, 241, 0.4);
}

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

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

/* Loading Spinner */
.loading {
    display: none;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-right: 0.5rem;
}

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

.btn-content {
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Signup/Login Link Section */
.signup-section,
.login-section {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
    animation: fadeInUp 0.8s ease 0.5s both;
}

.signup-section p,
.login-section p {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.signup-link,
.login-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.signup-link:hover,
.login-link:hover {
    color: var(--primary-dark);
}

/* Alert */
.alert {
    padding: 1rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    display: none;
    animation: slideDown 0.4s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.alert.show {
    display: flex;
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--error);
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: var(--success);
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Animations */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Responsive */
@media (max-width: 768px) {
    .login-wrapper,
    .register-wrapper {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .login-wrapper,
    .register-wrapper {
        padding: 1rem;
    }

    .login-box {
        padding: 2rem 1.5rem;
        border-radius: 24px;
    }

    .title {
        font-size: 1.75rem;
    }

    .logo {
        width: 70px;
        height: 70px;
    }

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

    .form-options {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
}