/* Modern Authentication Page Styles */

:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --success-gradient: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    --warning-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --card-bg: rgba(255, 255, 255, 0.98);
    --input-border: #e2e8f0;
    --input-focus: #667eea;
    --text-primary: #2d3748;
    --text-secondary: #718096;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);
}

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

body.auth-page {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--primary-gradient);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    position: relative;
    overflow-x: hidden;
    overflow-y: auto;
}

/* Animated background shapes */
body.auth-page::before,
body.auth-page::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    animation: float 20s infinite ease-in-out;
}

body.auth-page::before {
    width: 300px;
    height: 300px;
    top: -100px;
    left: -100px;
    animation-delay: 0s;
}

body.auth-page::after {
    width: 400px;
    height: 400px;
    bottom: -150px;
    right: -150px;
    animation-delay: 5s;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-30px) rotate(180deg); }
}

.auth-container {
    width: 100%;
    max-width: 440px;
    position: relative;
    z-index: 1;
    margin: auto;
}

.auth-card {
    background: var(--card-bg);
    border-radius: 24px;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.auth-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.2);
}

.auth-header {
    background: var(--primary-gradient);
    color: white;
    padding: 2rem 1.5rem;
    text-align: center;
    position: relative;
}

.auth-header.success {
    background: var(--success-gradient);
}

.auth-header.warning {
    background: var(--warning-gradient);
}

.auth-icon {
    width: 64px;
    height: 64px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 2rem;
    animation: pulse 2s infinite;
}

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

.auth-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.4rem;
    letter-spacing: -0.5px;
}

.auth-header p {
    font-size: 0.95rem;
    opacity: 0.95;
    font-weight: 400;
    margin-bottom: 0;
}

.auth-body {
    padding: 1.75rem 1.5rem;
}

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

.form-label {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--input-border);
    border-radius: 10px;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    background: white;
    color: var(--text-primary);
}

.form-control:focus {
    outline: none;
    border-color: var(--input-focus);
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
    transform: translateY(-1px);
}

.form-control::placeholder {
    color: #a0aec0;
}

.form-text {
    margin-top: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.form-text strong {
    color: var(--text-primary);
}

.btn {
    width: 100%;
    padding: 0.85rem 1.25rem;
    border: none;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 400px;
    height: 400px;
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.5);
}

.btn-success {
    background: var(--success-gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(17, 153, 142, 0.4);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(17, 153, 142, 0.5);
}

.btn-warning {
    background: var(--warning-gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(245, 87, 108, 0.4);
}

.btn-warning:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(245, 87, 108, 0.5);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

.btn-text, .btn-spinner {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.alert {
    padding: 0.875rem 1rem;
    border-radius: 10px;
    margin-bottom: 1.25rem;
    border: none;
    font-size: 0.9rem;
    animation: slideDown 0.3s ease;
}

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

.alert-danger {
    background: #fee;
    color: #c53030;
    border-left: 4px solid #fc8181;
}

.alert-success {
    background: #e6fffa;
    color: #234e52;
    border-left: 4px solid #38b2ac;
}

.alert i {
    margin-right: 0.5rem;
}

.divider {
    text-align: center;
    margin: 1.25rem 0;
    position: relative;
}

.divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--input-border);
}

.divider span {
    background: var(--card-bg);
    padding: 0 1rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
    position: relative;
}

.link-group {
    text-align: center;
    margin-top: 1.25rem;
    padding-top: 1.25rem;
    border-top: 1px solid #e2e8f0;
}

.auth-link {
    color: var(--input-focus);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.auth-link:hover {
    color: #5568d3;
    transform: translateX(-3px);
}

.input-group {
    display: flex;
    gap: 0.5rem;
}

.input-group .form-control:first-child {
    flex: 0 0 auto;
    max-width: 150px;
    min-width: 120px;
}

.input-group .form-control:last-child {
    flex: 1;
    min-width: 0;
}

/* Spinner */
.spinner-border-sm {
    width: 1rem;
    height: 1rem;
    border-width: 0.15em;
}

/* Select2 styling */
.select2-container--bootstrap-5 .select2-selection {
    border: 2px solid var(--input-border) !important;
    border-radius: 12px !important;
    padding: 0.5rem !important;
}

.select2-container--bootstrap-5 .select2-selection--single .select2-selection__rendered {
    padding-left: 0.5rem !important;
}

/* Responsive */
@media (max-width: 640px) {
    body.auth-page {
        padding: 0.75rem;
    }

    .auth-container {
        max-width: 100%;
    }

    .auth-header {
        padding: 1.5rem 1.25rem;
    }

    .auth-header h1 {
        font-size: 1.5rem;
    }

    .auth-header p {
        font-size: 0.875rem;
    }

    .auth-body {
        padding: 1.5rem 1.25rem;
    }

    .auth-icon {
        width: 56px;
        height: 56px;
        font-size: 1.75rem;
        margin-bottom: 0.75rem;
    }

    .form-group {
        margin-bottom: 1rem;
    }

    .form-control {
        padding: 0.7rem 0.9rem;
        font-size: 0.9rem;
    }

    .btn {
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }

    .link-group {
        margin-top: 1rem;
        padding-top: 1rem;
    }

    .divider {
        margin: 1rem 0;
    }
}

@media (max-height: 700px) {
    body.auth-page {
        align-items: flex-start;
        padding-top: 2rem;
        padding-bottom: 2rem;
    }

    .auth-header {
        padding: 1.5rem 1.25rem;
    }

    .auth-icon {
        width: 56px;
        height: 56px;
        font-size: 1.75rem;
        margin-bottom: 0.75rem;
    }

    .auth-header h1 {
        font-size: 1.5rem;
        margin-bottom: 0.3rem;
    }

    .auth-body {
        padding: 1.5rem 1.5rem;
    }

    .form-group {
        margin-bottom: 1rem;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --card-bg: rgba(30, 30, 40, 0.98);
        --text-primary: #e2e8f0;
        --text-secondary: #a0aec0;
        --input-border: #4a5568;
    }

    .form-control {
        background: #2d3748;
        color: #e2e8f0;
    }

    .alert-danger {
        background: #3c1a1a;
        color: #fc8181;
    }

    .alert-success {
        background: #1a3c3a;
        color: #68d391;
    }
}