/* =================== LOGIN =================== */
.login-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 2rem 1.5rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 50%, #93c5fd 100%);
    background-size: 200% 200%;
    animation: gradientShift 8s ease infinite;
    position: relative;
    overflow: hidden;
}

.login-container::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 70%, rgba(96, 165, 250, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 70% 30%, rgba(37, 99, 235, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.login-logo {
    margin-bottom: 2rem;
    text-align: center;
    position: relative;
    z-index: 1;
}

.login-logo img {
    width: 100px;
    height: 100px;
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(4px);
    background: rgba(255, 255, 255, 0.1);
    padding: 8px;
}

.login-logo h1 {
    color: var(--white);
    font-size: 1.6rem;
    margin-top: 0.75rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
}

.login-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    padding: 2rem 1.5rem;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15),
                0 0 0 1px rgba(255, 255, 255, 0.2);
    position: relative;
    z-index: 1;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* Login Tabs */
.login-tabs {
    display: flex;
    background: #f3f4f6;
    border-radius: 12px;
    padding: 4px;
    margin-bottom: 1.5rem;
    gap: 4px;
}

.login-tab {
    flex: 1;
    padding: 0.65rem 0.5rem;
    text-align: center;
    font-size: 0.8rem;
    font-weight: 600;
    color: #6b7280;
    background: none;
    border: none;
    cursor: pointer;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.login-tab.active {
    color: var(--white);
    background: linear-gradient(45deg, var(--primary-color) 0%, var(--accent-color) 100%);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.login-tab:not(.active):hover {
    color: var(--primary-color);
    background: rgba(37, 99, 235, 0.08);
}

/* Login Forms */
.login-form {
    display: none;
}

.login-form.active {
    display: block;
    animation: fadeInUp 0.3s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.form-group label {
    display: block;
    font-size: 0.8rem;
    color: #4b5563;
    margin-bottom: 0.4rem;
    font-weight: 500;
    letter-spacing: 0.2px;
}

.form-group input {
    width: 100%;
    padding: 0.85rem 1rem;
    border: 1.5px solid #e5e7eb;
    border-radius: 12px;
    font-size: 0.95rem;
    outline: none;
    transition: all 0.3s ease;
    background: #f9fafb;
}

.form-group input:focus {
    border-color: var(--primary-color);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.form-group input::placeholder {
    color: #9ca3af;
}

.btn-primary {
    width: 100%;
    padding: 0.9rem;
    background: linear-gradient(45deg, var(--primary-color) 0%, var(--accent-color) 100%);
    color: var(--white);
    border: none;
    border-radius: 12px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
    letter-spacing: 0.3px;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 2px 10px rgba(37, 99, 235, 0.3);
}

.btn-primary:disabled {
    background: linear-gradient(45deg, #93c5fd 0%, var(--accent-color) 100%);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}