/* Login Screen Styles */

:root {
    --login-bg: #f4f7fe;
    --login-text: #111827;
    --login-text-muted: #6b7280;
    --login-accent: #3b82f6;
    --login-accent-hover: #1d4ed8;
    --login-border: #e5e7eb;
    --login-card-bg: #ffffff;
    --login-input-bg: #f9fafb;
    --login-input-border: #d1d5db;
    --login-input-focus: rgba(59, 130, 246, 0.25);
    
    /* Validation Colors */
    --login-valid-border: #10b981;
    --login-valid-bg: rgba(16, 185, 129, 0.02);
    --login-invalid-border: #ef4444;
    --login-invalid-bg: rgba(239, 68, 68, 0.02);
}

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

body {
    font-family: 'Urbanist', sans-serif;
    background: linear-gradient(135deg, #f4f7fe 0%, #e2e8f0 100%);
    color: var(--login-text);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

/* Glowing Background Blobs */
.glow-bg {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 1;
    overflow: hidden;
    pointer-events: none;
}

.glow-circle {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.8;
}

.glow-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.12) 0%, rgba(59, 130, 246, 0) 70%);
    top: -150px;
    left: -150px;
}

.glow-2 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.08) 0%, rgba(139, 92, 246, 0) 70%);
    bottom: -200px;
    right: -200px;
}

.glow-3 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(236, 72, 153, 0.05) 0%, rgba(236, 72, 153, 0) 70%);
    top: 40%;
    left: 50%;
    transform: translate(-50%, -50%);
}

/* Glassmorphism Login Container */
.login-wrapper {
    width: 100%;
    max-width: 440px;
    padding: 24px;
    z-index: 10;
}

.login-card {
    background: var(--login-card-bg);
    border: 1px solid var(--login-border);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 20px 40px rgba(24, 22, 56, 0.06), 0 1px 3px rgba(24, 22, 56, 0.02);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.login-card:hover {
    box-shadow: 0 30px 60px rgba(24, 22, 56, 0.1), 0 1px 3px rgba(24, 22, 56, 0.02);
}

.logo-container {
    display: flex;
    justify-content: center;
    margin-bottom: 28px;
}

.logo-img {
    height: 45px;
    object-fit: contain;
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-header h1 {
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

.login-header p {
    font-size: 14.5px;
    color: var(--login-text-muted);
}

/* Form Styles */
.form-group {
    position: relative;
    margin-bottom: 24px;
}

.form-label-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.form-label {
    font-size: 13.5px;
    font-weight: 600;
    color: var(--login-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.forgot-link {
    font-size: 13.5px;
    font-weight: 500;
    color: var(--login-accent);
    text-decoration: none;
    transition: color 0.2s ease;
}

.forgot-link:hover {
    color: var(--login-accent-hover);
    text-decoration: underline;
}

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

.input-icon {
    position: absolute;
    left: 16px;
    font-size: 20px;
    color: var(--login-text-muted);
    pointer-events: none;
    transition: color 0.2s ease;
}

.form-input {
    width: 100%;
    padding: 14px 16px 14px 48px;
    background-color: var(--login-input-bg);
    border: 1px solid var(--login-input-border);
    border-radius: 10px;
    color: var(--login-text);
    font-family: inherit;
    font-size: 15.5px;
    font-weight: 500;
    outline: none;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.form-input:focus {
    border-color: var(--login-accent);
    box-shadow: 0 0 0 3px var(--login-input-focus);
    background-color: #ffffff;
}

.form-input:focus ~ .input-icon {
    color: var(--login-accent);
}

/* Password eye button positioning */
.form-input-password {
    padding-right: 48px;
}

.password-toggle-btn {
    position: absolute;
    right: 16px;
    background: none;
    border: none;
    color: var(--login-text-muted);
    cursor: pointer;
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4px;
    border-radius: 4px;
    transition: color 0.2s ease, background-color 0.2s ease;
}

.password-toggle-btn:hover {
    color: var(--login-text);
    background-color: rgba(0, 0, 0, 0.05);
}

/* User interaction-based validation styling */
.form-input:user-invalid {
    border-color: var(--login-invalid-border);
    background-color: var(--login-invalid-bg);
}

.form-input:user-invalid:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

.form-input:user-invalid ~ .input-icon {
    color: var(--login-invalid-border);
}

.form-input:user-valid {
    border-color: var(--login-valid-border);
    background-color: var(--login-valid-bg);
}

.form-input:user-valid ~ .input-icon {
    color: var(--login-valid-border);
}

/* Error messages hidden by default, shown when input is invalid */
.error-msg {
    display: none;
    color: var(--login-invalid-border);
    font-size: 13px;
    font-weight: 500;
    margin-top: 6px;
    align-items: center;
    gap: 6px;
}

.form-input:user-invalid + .error-msg {
    display: flex;
}

/* Submit Button */
.btn-submit {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #181638, #2a265c);
    border: none;
    border-radius: 10px;
    color: #ffffff;
    font-family: inherit;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 12px rgba(24, 22, 56, 0.15);
    margin-top: 8px;
}

.btn-submit:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(24, 22, 56, 0.22);
    filter: brightness(1.15);
}

.btn-submit:active {
    transform: translateY(1px);
    box-shadow: 0 2px 6px rgba(24, 22, 56, 0.15);
}

/* Loading state for submit button */
.btn-submit.loading {
    pointer-events: none;
    opacity: 0.8;
}

.btn-submit.loading .btn-text {
    visibility: hidden;
}

.btn-submit.loading .btn-spinner {
    display: block;
}

.btn-spinner {
    display: none;
    position: absolute;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #ffffff;
    animation: spin 0.8s linear infinite;
}

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

/* Footer / Extra info */
.login-footer {
    text-align: center;
    margin-top: 24px;
    font-size: 13.5px;
    color: var(--login-text-muted);
}

.login-footer a {
    color: var(--login-accent);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s ease;
}

.login-footer a:hover {
    color: var(--login-accent-hover);
    text-decoration: underline;
}

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

.login-card {
    animation: fadeInUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Responsive adjustments */
@media (max-width: 480px) {
    .login-card {
        padding: 32px 24px;
    }
}