/*
 * WebVirtCloud Modern Authentication Stylesheet
 * Responsive, dark-themed, glassmorphic layout for KVM / Libvirt cloud console
 */

/* ==========================================================================
   Page Layout & Ambient Background
   ========================================================================== */

body:has(.signin-wrapper),
body.signin-page {
    min-height: 100vh;
    margin: 0;
    padding: 0 !important;
    background-color: #090d16;
    background-image:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(37, 99, 235, 0.22) 0%, transparent 60%),
        radial-gradient(circle at 10% 90%, rgba(14, 165, 233, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 90% 90%, rgba(99, 102, 241, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 50% 50%, rgba(15, 23, 42, 0.5) 0%, transparent 100%);
    background-attachment: fixed;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: #e2e8f0;
}

/* Neutralize base.html container wrapper for signin pages */
body:has(.signin-wrapper) > .container,
body.signin-page > .container {
    max-width: 100% !important;
    width: 100%;
    min-height: 100vh;
    padding: 2rem 1rem !important;
    margin: 0 !important;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

body:has(.signin-wrapper) > .container > .row,
body.signin-page > .container > .row {
    display: none !important;
}

/* ==========================================================================
   Sign In Card Component
   ========================================================================== */

.signin-wrapper {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.signin-card {
    width: 100%;
    max-width: 440px;
    background: rgba(17, 24, 39, 0.88);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    padding: 2.75rem 2.25rem 2rem;
    box-shadow:
        0 25px 50px -12px rgba(0, 0, 0, 0.65),
        0 0 0 1px rgba(255, 255, 255, 0.04),
        0 0 45px -5px rgba(37, 99, 235, 0.15);
    animation: signinCardEnter 0.35s ease-out;
}

@keyframes signinCardEnter {
    from {
        opacity: 0;
        transform: translateY(12px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* ==========================================================================
   Brand & Logo Section
   ========================================================================== */

.signin-brand {
    text-align: center;
    margin-bottom: 2rem;
}

.signin-logo-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    border-radius: 18px;
    background: linear-gradient(135deg, #2563eb 0%, #3b82f6 50%, #6366f1 100%);
    color: #ffffff;
    font-size: 1.85rem;
    box-shadow:
        0 10px 25px -4px rgba(37, 99, 235, 0.5),
        inset 0 1px 1px rgba(255, 255, 255, 0.35);
    margin-bottom: 1.15rem;
    transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.signin-logo-badge:hover {
    transform: translateY(-2px) scale(1.05);
}

.signin-title {
    font-size: 1.65rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    color: #f8fafc;
    margin-bottom: 0.35rem;
}

.signin-subtitle {
    font-size: 0.875rem;
    color: #94a3b8;
    margin-bottom: 0;
    font-weight: 400;
}

/* ==========================================================================
   Input Groups & Form Controls
   ========================================================================== */

.signin-field-label {
    font-size: 0.8125rem;
    font-weight: 500;
    color: #cbd5e1;
    margin-bottom: 0.45rem;
    display: flex;
    align-items: center;
}

.signin-input-group {
    position: relative;
    border-radius: 12px;
    background: rgba(30, 41, 59, 0.55);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.2s ease;
    display: flex;
    align-items: stretch;
    overflow: hidden;
}

.signin-input-group:focus-within {
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.25);
    background: rgba(30, 41, 59, 0.85);
}

.signin-input-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 0.875rem;
    color: #64748b;
    font-size: 1.1rem;
    transition: color 0.2s ease;
}

.signin-input-group:focus-within .signin-input-icon {
    color: #3b82f6;
}

.signin-input {
    flex: 1;
    background: transparent !important;
    border: none !important;
    color: #f8fafc !important;
    padding: 0.75rem 0.875rem 0.75rem 0;
    font-size: 0.95rem;
    outline: none !important;
    box-shadow: none !important;
}

.signin-input::placeholder {
    color: #64748b;
    opacity: 1;
}

.signin-toggle-pwd {
    background: transparent;
    border: none;
    color: #64748b;
    padding: 0 0.875rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    transition: color 0.2s ease;
}

.signin-toggle-pwd:hover,
.signin-toggle-pwd:focus {
    color: #94a3b8;
    outline: none;
}

.signin-link {
    color: #60a5fa;
    text-decoration: none;
    transition: color 0.2s ease;
}

.signin-link:hover {
    color: #93c5fd;
    text-decoration: underline;
}

/* ==========================================================================
   Submit Button
   ========================================================================== */

.btn-signin-submit {
    width: 100%;
    padding: 0.8rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    border-radius: 12px;
    color: #ffffff;
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow:
        0 4px 14px rgba(37, 99, 235, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-signin-submit:hover:not(:disabled) {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    box-shadow:
        0 6px 20px rgba(37, 99, 235, 0.55),
        inset 0 1px 0 rgba(255, 255, 255, 0.25);
    transform: translateY(-1px);
    color: #ffffff;
}

.btn-signin-submit:active:not(:disabled) {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.35);
}

.btn-signin-submit:disabled {
    opacity: 0.75;
    cursor: not-allowed;
}

/* ==========================================================================
   Alerts & Notifications
   ========================================================================== */

.signin-alert {
    background: rgba(239, 68, 68, 0.12);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #fca5a5;
    border-radius: 12px;
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 0.65rem;
    margin-bottom: 1.5rem;
    animation: signinShakeX 0.4s ease-in-out;
}

@keyframes signinShakeX {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-4px); }
    40%, 80% { transform: translateX(4px); }
}

/* ==========================================================================
   Footer & Status Indicator
   ========================================================================== */

.signin-footer {
    margin-top: 1.75rem;
    padding-top: 1.25rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.75rem;
    color: #64748b;
}

.pulse-indicator {
    display: inline-block;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #10b981;
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
    animation: pulseGreen 2s infinite;
    margin-right: 0.45rem;
}

@keyframes pulseGreen {
    0% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
    }
    70% {
        transform: scale(1);
        box-shadow: 0 0 0 6px rgba(16, 185, 129, 0);
    }
    100% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
    }
}