/* 
 * LOGIN PAGE - PROFESSIONAL, CLEAN & MINIMALIST
 * Login, Register, Forgot Password
 */

/* ===== VARIABLES ===== */
:root {
    --login-primary: #176b4d;
    --login-primary-light: #39b27a;
    --login-primary-dark: #0f4a35;
    --login-bg: #0f172a;
    --login-card-bg: #1e293b;
    --login-border: rgba(255, 255, 255, 0.1);
    --login-text: #ffffff;
    --login-text-light: rgba(255, 255, 255, 0.7);
    --login-input-bg: rgba(255, 255, 255, 0.05);
    --login-input-border: rgba(255, 255, 255, 0.15);
    --login-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

/* ===== BASE STYLES ===== */
.login-page {
    min-height: 100vh;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
    position: relative;
    overflow: hidden;
}

.login-page::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(23, 107, 77, 0.1) 1px, transparent 1px),
        radial-gradient(circle at 80% 70%, rgba(57, 178, 122, 0.1) 1px, transparent 1px);
    background-size: 60px 60px, 40px 40px;
    opacity: 0.4;
    pointer-events: none;
}

.login-container {
    width: 100%;
    max-width: 450px;
    position: relative;
    z-index: 1;
}

.login-card {
    background: rgba(30, 41, 59, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 1.5rem;
    padding: 2.5rem;
    border: 1px solid var(--login-border);
    box-shadow: var(--login-shadow);
}

/* ===== HEADER ===== */
.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-logo {
    margin-bottom: 1rem;
}

.logo-img {
    height: 70px;
    width: auto;
    object-fit: contain;
    filter: brightness(0) invert(1);
}

.login-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--login-text);
    margin: 0;
    letter-spacing: -0.01em;
}

/* ===== TAB NAVIGATION ===== */
.tab-navigation {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 2rem;
    background: rgba(255, 255, 255, 0.05);
    padding: 0.5rem;
    border-radius: 0.75rem;
}

.tab-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: transparent;
    border: none;
    border-radius: 0.5rem;
    color: var(--login-text-light);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.tab-btn:hover {
    color: var(--login-text);
    background: rgba(255, 255, 255, 0.05);
}

.tab-btn.active {
    background: linear-gradient(135deg, var(--login-primary), var(--login-primary-light));
    color: var(--login-text);
    box-shadow: 0 4px 12px rgba(23, 107, 77, 0.3);
}

.tab-btn i {
    font-size: 1rem;
}

/* ===== TAB CONTENT ===== */
.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

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

/* ===== ALERT MESSAGES ===== */
.alert-message {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    border-radius: 0.75rem;
    margin-bottom: 1.5rem;
    font-size: 0.875rem;
    animation: slideDown 0.3s ease;
}

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

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #fca5a5;
}

.alert-success {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: #86efac;
}

.alert-message i {
    font-size: 1.125rem;
}

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

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

.form-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--login-text);
}

.form-label i {
    color: var(--login-primary-light);
    font-size: 0.875rem;
}

.form-input {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--login-input-bg);
    border: 1px solid var(--login-input-border);
    border-radius: 0.75rem;
    color: var(--login-text);
    font-size: 0.9375rem;
    transition: all 0.3s ease;
}

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

.form-input:focus {
    outline: none;
    border-color: var(--login-primary-light);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 3px rgba(23, 107, 77, 0.1);
}

/* ===== PASSWORD INPUT ===== */
.password-input-wrapper {
    position: relative;
}

.password-toggle {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--login-text-light);
    cursor: pointer;
    padding: 0.5rem;
    transition: color 0.3s ease;
}

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

.password-toggle i {
    font-size: 1rem;
}

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

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--login-text-light);
    cursor: pointer;
}

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

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

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

/* ===== BUTTONS ===== */
.btn-primary {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 0.875rem 1.5rem;
    background: linear-gradient(135deg, var(--login-primary), var(--login-primary-light));
    color: var(--login-text);
    border: none;
    border-radius: 0.75rem;
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(23, 107, 77, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(23, 107, 77, 0.4);
}

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

.btn-full {
    width: 100%;
}

/* ===== FORGOT PASSWORD SPECIFIC ===== */
.forgot-icon {
    text-align: center;
    margin-bottom: 1.5rem;
}

.forgot-icon i {
    font-size: 3rem;
    color: var(--login-primary-light);
    opacity: 0.8;
}

.forgot-title {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--login-text);
    margin-bottom: 0.75rem;
}

.forgot-description {
    text-align: center;
    font-size: 0.9375rem;
    color: var(--login-text-light);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

/* ===== FORM FOOTER ===== */
.form-footer {
    text-align: center;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--login-border);
}

.form-footer p {
    font-size: 0.875rem;
    color: var(--login-text-light);
    margin: 0;
}

.form-footer a {
    color: var(--login-primary-light);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.form-footer a:hover {
    color: var(--login-primary);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .login-page {
        padding: 1.5rem 1rem;
    }
    
    .login-card {
        padding: 2rem 1.5rem;
    }
    
    .login-title {
        font-size: 1.25rem;
    }
    
    .tab-btn {
        padding: 0.625rem 0.75rem;
        font-size: 0.8125rem;
    }
    
    .tab-btn span {
        display: none;
    }
    
    .tab-btn i {
        font-size: 1.125rem;
    }
}

@media (max-width: 480px) {
    .login-card {
        padding: 1.5rem 1.25rem;
        border-radius: 1.25rem;
    }
    
    .logo-img {
        height: 60px;
    }
    
    .login-title {
        font-size: 1.125rem;
    }
    
    .tab-navigation {
        gap: 0.25rem;
        padding: 0.375rem;
    }
    
    .tab-btn {
        padding: 0.5rem;
    }
    
    .form-input {
        padding: 0.75rem 0.875rem;
        font-size: 0.875rem;
    }
    
    .btn-primary {
        padding: 0.75rem 1.25rem;
        font-size: 0.875rem;
    }
}