/* Modern Login Page Styling - 2025 Design */
:root {
    /* Light Theme Variables */
    --primary-gradient: linear-gradient(135deg, #4568dc, #b06ab3);
    --secondary-gradient: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
    --accent-gradient: linear-gradient(135deg, #00c6ff, #0072ff);
    --input-bg: rgba(255, 255, 255, 0.95);
    --card-bg: rgba(255, 255, 255, 0.92);
    --text-primary: #333;
    --text-secondary: #666;
    --accent-color: #4568dc;
    --error-color: #e74c3c;
    --success-color: #2ecc71;
    --box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
    --input-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    --btn-shadow: 0 10px 20px rgba(69, 104, 220, 0.3);
    --border-radius: 16px;
    --input-border-radius: 12px;
    --btn-border-radius: 10px;
}

.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--secondary-gradient);
    position: relative;
    overflow: hidden;
    padding: 2rem;
    font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

/* No background animation */

@keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.dark-login-bg {
    background: var(--secondary-gradient);
}

[data-theme="dark"] {
    --primary-gradient: linear-gradient(135deg, #4568dc, #b06ab3);
    --secondary-gradient: linear-gradient(135deg, #0f0c29, #302b63, #24243e);
    --accent-gradient: linear-gradient(135deg, #4facfe, #00f2fe);
    --input-bg: rgba(30, 30, 30, 0.9);
    --card-bg: rgba(30, 30, 30, 0.85);
    --text-primary: #f0f0f0;
    --text-secondary: #aaa;
    --accent-color: #6ea8fe;
    --error-color: #ea868f;
    --success-color: #75b798;
    --box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
    --input-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    --btn-shadow: 0 10px 20px rgba(69, 104, 220, 0.3);
}

[data-theme="dark"] .login-container {
    background: var(--secondary-gradient);
}

/* Logo removed */

.login-card {
    max-width: 450px;
    width: 100%;
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    overflow: hidden;
    transition: all 0.4s ease;
    background-color: var(--card-bg);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    position: relative;
    z-index: 2;
    transform: translateY(0);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.login-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

[data-theme="dark"] .login-card {
    box-shadow: 0 10px 25px var(--shadow-color) !important;
    background-color: transparent;
}

.login-card .card-body {
    padding: 3rem 2.5rem;
    position: relative;
    z-index: 1;
}

.login-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: var(--border-radius);
    padding: 2px;
    background: var(--primary-gradient);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

.login-header {
    text-align: center;
    margin-bottom: 2.5rem;
    position: relative;
    padding-bottom: 1.5rem;
}

.login-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: var(--primary-gradient);
    border-radius: 3px;
}

.login-logo-container {
    position: relative;
    margin-bottom: 1.5rem;
}

.login-logo {
    width: 90px;
    height: 90px;
    background-color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: auto;
    margin-right: auto;
    color: white;
    font-size: 2.5rem;
    box-shadow: 0 10px 20px var(--shadow-color);
    position: relative;
    z-index: 2;
}

.login-logo::after {
    content: '';
    position: absolute;
    top: -8px;
    left: -8px;
    right: -8px;
    bottom: -8px;
    background-color: var(--primary-color);
    border-radius: 50%;
    z-index: -1;
    opacity: 0.3;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 0.3;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.2;
    }
    100% {
        transform: scale(1);
        opacity: 0.3;
    }
}

[data-theme="dark"] .login-logo {
    background-color: var(--primary-color);
    box-shadow: 0 10px 20px var(--shadow-color);
}

.login-title {
    font-size: 2.4rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
    letter-spacing: 0.5px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] .login-title {
    color: #000000;
}

.login-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    font-weight: 400;
    margin-bottom: 0;
    opacity: 0.8;
}

[data-theme="dark"] .login-subtitle {
    color: #000000;
}

.form-floating {
    margin-bottom: 1.8rem;
    position: relative;
}

.form-floating .form-control {
    border-radius: var(--input-border-radius);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 1rem 1rem 1rem 3rem;
    height: calc(3.5rem + 2px);
    font-size: 1rem;
    transition: all 0.3s ease;
    background-color: var(--input-bg);
    color: var(--text-primary);
    width: 100%;
    box-shadow: var(--input-shadow);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.form-floating .form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

[data-theme="dark"] .form-floating .form-control {
    border-color: var(--input-border);
    background-color: var(--input-bg);
    color: var(--text-color);
}

[data-theme="dark"] .form-floating .form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

.form-floating > label {
    padding: 1rem 1rem 1rem 3rem;
    color: var(--secondary-color);
    left: 0;
    top: 0;
    height: 100%;
    width: 100%;
    pointer-events: none;
    transform-origin: 0 0;
    transition: opacity .1s ease-in-out,transform .1s ease-in-out;
}

[data-theme="dark"] .form-floating > label {
    color: var(--secondary-color);
}

.form-floating i {
    position: absolute;
    left: 1rem;
    top: 1.25rem;
    color: var(--accent-color);
    z-index: 3;
    transition: all 0.3s ease;
    opacity: 0.7;
}

.form-floating .form-control:focus + label + i,
.form-floating .form-control:not(:placeholder-shown) + label + i {
    opacity: 1;
    transform: scale(1.1);
}

[data-theme="dark"] .form-floating i {
    color: var(--primary-color);
}

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

.form-check {
    margin-bottom: 1.8rem;
    user-select: none;
}

.form-check-input {
    width: 1.2em;
    height: 1.2em;
    margin-top: 0.15em;
    transition: all 0.2s ease;
    border: 2px solid rgba(69, 104, 220, 0.3);
}

.form-check-input:checked {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(69, 104, 220, 0.2);
}

.form-check-label {
    color: var(--text-secondary);
    font-weight: 500;
    padding-left: 0.3rem;
    cursor: pointer;
}

.login-btn {
    background: var(--accent-gradient);
    border: none;
    padding: 1rem;
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    border-radius: var(--btn-border-radius);
    transition: all 0.3s ease;
    box-shadow: var(--btn-shadow);
    color: white;
    position: relative;
    overflow: hidden;
    z-index: 1;
    text-transform: uppercase;
}

.login-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-gradient);
    opacity: 0;
    z-index: -1;
    transition: opacity 0.3s ease;
}

.login-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(69, 104, 220, 0.4);
}

.login-btn:hover::before {
    opacity: 1;
}

.login-btn:active {
    transform: translateY(-1px);
}

[data-theme="dark"] .login-btn {
    background-color: var(--primary-color);
    box-shadow: 0 4px 15px var(--shadow-color);
}

[data-theme="dark"] .login-btn:hover {
    background-color: var(--btn-primary-hover);
    box-shadow: 0 8px 25px var(--shadow-color);
}

.login-footer {
    text-align: center;
    margin-top: 2.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.login-footer:hover {
    opacity: 1;
}

[data-theme="dark"] .login-footer {
    color: #000000;
}

/* Responsive adjustments */
@media (max-width: 767.98px) {
    .login-container {
        padding: 1.5rem;
    }
    
    .login-card .card-body {
        padding: 2rem 1.5rem;
    }
    
    .login-page-logo {
        max-width: 100px;
    }
    
    .login-title {
        font-size: 1.8rem;
    }
    
    .login-btn {
        padding: 0.9rem;
    }
}

@media (max-width: 575.98px) {
    .login-card .card-body {
        padding: 1.5rem 1.2rem;
    }
    
    .login-page-logo {
        max-width: 80px;
    }
    
    .login-title {
        font-size: 1.6rem;
    }
    
    .form-floating .form-control {
        font-size: 0.95rem;
    }
    
    .login-btn {
        font-size: 1rem;
        padding: 0.8rem;
    }
}

/* Animation effects */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes shimmer {
    0% { background-position: -100% 0; }
    100% { background-position: 200% 0; }
}

.login-card {
    animation: fadeIn 0.6s ease-out forwards;
}

.login-title {
    background-size: 200% auto;
    animation: shimmer 3s infinite linear;
}

/* Form animations */
.login-form > * {
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.3s ease;
}

.login-form > *.animated {
    opacity: 1;
    transform: translateY(0);
}

/* No decorative shapes */

@keyframes float {
    0% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(10px, 15px) rotate(5deg); }
    50% { transform: translate(5px, -10px) rotate(10deg); }
    75% { transform: translate(-10px, 5px) rotate(5deg); }
    100% { transform: translate(0, 0) rotate(0deg); }
}