/**
 * Tema de login: fondo oscuro (negro) + animación de avioncitos volando
 * Uso: página de login principal (home.html) y modal de login (home_professional)
 */
:root {
    --login-bg: #0a0a0b;
    --login-bg-soft: #111113;
    --login-card-bg: rgba(22, 22, 26, 0.92);
    --login-card-border: rgba(255, 255, 255, 0.06);
    --login-text: #f1f5f9;
    --login-text-muted: #94a3b8;
    --login-input-bg: rgba(30, 30, 36, 0.9);
    --login-input-border: rgba(255, 255, 255, 0.1);
    --login-input-focus: rgba(59, 130, 246, 0.5);
    --login-accent: #3b82f6;
    --login-accent-hover: #2563eb;
    --login-error-bg: rgba(239, 68, 68, 0.15);
    --login-error-border: #ef4444;
}

/* Contenedor del fondo con aviones (para página completa o modal) */
.login-bg {
    position: fixed;
    inset: 0;
    background: var(--login-bg);
    z-index: 0;
    overflow: hidden;
}

/* Patrón de cuadrícula sutil (profesional) */
.login-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 48px 48px;
    pointer-events: none;
    z-index: 1;
}

/* Capas de gradiente para profundidad y sensación premium */
.login-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 100% 80% at 50% 100%, rgba(59, 130, 246, 0.12) 0%, transparent 55%),
        radial-gradient(ellipse 70% 50% at 20% 10%, rgba(30, 58, 138, 0.1) 0%, transparent 45%),
        radial-gradient(ellipse 60% 50% at 85% 30%, rgba(59, 130, 246, 0.06) 0%, transparent 40%),
        radial-gradient(circle at 50% 50%, rgba(15, 23, 42, 0.4) 0%, transparent 70%);
    pointer-events: none;
    z-index: 1;
}

/* Contenedor de aviones animados */
.login-planes {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 2;
}

.plane {
    position: absolute;
    color: rgba(255, 255, 255, 0.75);
    filter: drop-shadow(0 0 10px rgba(59, 130, 246, 0.4));
    will-change: transform;
}

.plane i {
    font-size: 28px;
}

/* Más aviones, mayor presencia; delays/duraciones variados para efecto aleatorio */
.plane-1 { top: 8%; left: -50px; animation: flyRight 18s linear infinite; animation-delay: 0s; opacity: 0.85; }
.plane-2 { top: 22%; right: -50px; animation: flyLeft 24s linear infinite; animation-delay: 2s; opacity: 0.9; }
.plane-3 { top: 38%; left: -50px; animation: flyRight 26s linear infinite; animation-delay: 5s; opacity: 0.7; }
.plane-4 { top: 55%; right: -50px; animation: flyLeft 20s linear infinite; animation-delay: 1s; opacity: 0.95; }
.plane-5 { top: 72%; left: -50px; animation: flyRight 22s linear infinite; animation-delay: 7s; opacity: 0.8; }
.plane-6 { top: 88%; right: -50px; animation: flyLeft 19s linear infinite; animation-delay: 3s; opacity: 0.75; }
.plane-7 { top: 15%; right: -50px; animation: flyLeft 28s linear infinite; animation-delay: 4s; opacity: 0.65; }
.plane-8 { top: 45%; left: -50px; animation: flyRight 21s linear infinite; animation-delay: 6s; opacity: 0.9; }
.plane-9 { top: 65%; left: -50px; animation: flyRight 23s linear infinite; animation-delay: 8s; opacity: 0.7; }
.plane-10 { top: 32%; right: -50px; animation: flyLeft 25s linear infinite; animation-delay: 2.5s; opacity: 0.85; }
.plane-11 { top: 82%; left: -50px; animation: flyRight 17s linear infinite; animation-delay: 1.5s; opacity: 0.8; }
.plane-12 { top: 5%; left: -50px; animation: flyRight 27s linear infinite; animation-delay: 9s; opacity: 0.6; }

@keyframes flyRight {
    0% { transform: translateX(0) scaleX(1) scale(1); }
    100% { transform: translateX(calc(100vw + 100px)) scaleX(1) scale(1); }
}

@keyframes flyLeft {
    0% { transform: translateX(0) scaleX(-1) scale(1); }
    100% { transform: translateX(calc(-100vw - 100px)) scaleX(-1) scale(1); }
}

/* Tarjeta de login (centrada en página o dentro del modal) */
.login-card {
    position: relative;
    z-index: 10;
    background: var(--login-card-bg);
    border: 1px solid var(--login-card-border);
    border-radius: 20px;
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(16px);
    padding: 0;
    overflow: hidden;
    max-width: 440px;
    width: 90%;
    animation: loginCardIn 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes loginCardIn {
    from { opacity: 0; transform: translateY(24px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.login-card-header {
    text-align: center;
    padding: 36px 32px 28px;
    border-bottom: 1px solid var(--login-card-border);
}

.login-card-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--login-accent) 0%, #1d4ed8 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 28px;
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.35);
}

.login-card-title {
    font-size: 1.65rem;
    font-weight: 700;
    color: var(--login-text);
    margin: 0 0 6px 0;
}

.login-card-subtitle {
    font-size: 0.9rem;
    color: var(--login-text-muted);
    margin: 0;
}

.login-card-body {
    padding: 32px;
}

.login-theme .form-group-login,
.login-theme .form-group {
    margin-bottom: 22px;
}

.login-theme .form-label-login,
.login-theme .form-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: var(--login-text-muted);
    font-size: 14px;
    margin-bottom: 8px;
}

.login-theme .form-label i,
.login-theme .form-label-login i {
    color: var(--login-accent);
    font-size: 15px;
}

.login-theme .form-input-login,
.login-theme .form-input {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--login-input-border);
    border-radius: 12px;
    font-size: 16px;
    background: var(--login-input-bg);
    color: var(--login-text);
    transition: border-color 0.2s, box-shadow 0.2s;
    box-sizing: border-box;
}

.login-theme .form-input::placeholder,
.login-theme .form-input-login::placeholder {
    color: var(--login-text-muted);
    opacity: 0.8;
}

.login-theme .form-input:focus,
.login-theme .form-input-login:focus {
    outline: none;
    border-color: var(--login-accent);
    box-shadow: 0 0 0 3px var(--login-input-focus);
}

.login-theme .form-hint {
    display: block;
    margin-top: 6px;
    font-size: 12px;
    color: var(--login-text-muted);
    font-style: italic;
}

.login-theme .password-input-wrapper {
    position: relative;
}

.login-theme .password-toggle-btn {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--login-text-muted);
    cursor: pointer;
    font-size: 18px;
    padding: 8px;
    transition: color 0.2s;
    z-index: 1;
}

.login-theme .password-toggle-btn:hover {
    color: var(--login-accent);
}

.login-theme .login-error {
    display: none;
    background: var(--login-error-bg);
    color: #fca5a5;
    padding: 12px 16px;
    border-radius: 10px;
    font-size: 14px;
    border-left: 4px solid var(--login-error-border);
    margin-bottom: 20px;
}

.login-theme .login-button-submit,
.login-theme .login-button {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, var(--login-accent) 0%, #1d4ed8 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 8px;
    box-shadow: 0 4px 14px rgba(59, 130, 246, 0.35);
}

.login-theme .login-button:hover:not(:disabled),
.login-theme .login-button-submit:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.4);
}

.login-theme .login-button:disabled,
.login-theme .login-button-submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.login-theme .login-footer {
    margin-top: 24px;
    text-align: center;
    font-size: 12px;
    color: var(--login-text-muted);
}

/* Botón cerrar modal (sobre tema oscuro) */
.login-theme .modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--login-card-border);
    background: rgba(255, 255, 255, 0.06);
    color: var(--login-text-muted);
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
    z-index: 11;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

.login-theme .modal-close:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--login-text);
}