/* ============================================
   VARIABLES GLOBALES - Login (Tema Claro)
   Paleta DeskCod: #005C3E (primario) / #00E676 (acento)
   ============================================ */

:root {
    --login-primary: #005C3E;
    --login-primary-dark: #003d29;
    --login-secondary: #00E676;
    --login-glow-color: rgba(0, 230, 118, 0.2);
    --login-glow-shadow: rgba(0, 92, 62, 0.15);
    --login-btn-shadow: rgba(0, 92, 62, 0.35);
    --login-btn-shadow-hover: rgba(0, 230, 118, 0.4);
    --login-bg-gradient: linear-gradient(135deg, #f0faf5 0%, #e6f5ee 50%, #d4eddf 100%);
    --login-float-1: rgba(0, 92, 62, 0.15);
    --login-float-2: rgba(0, 230, 118, 0.12);
    --login-card-bg: rgba(250, 255, 252, 0.95);
    --login-card-border: rgba(0, 92, 62, 0.1);
    --login-card-shadow: rgba(0, 92, 62, 0.1);
    --login-card-shadow-hover: rgba(0, 92, 62, 0.22);
    --login-text-title: #003d29;
    --login-text-subtitle: #4a7a62;
    --login-text-body: #1a3329;
    --login-text-label: #5a8a72;
    --login-text-footer: #5a8a72;
    --login-input-bg: rgba(255, 255, 255, 0.7);
    --login-input-bg-focus: rgba(255, 255, 255, 0.95);
    --login-input-border: rgba(0, 92, 62, 0.12);
    --login-input-text: #003d29;
    --login-input-icon: #4a7a62;
    --login-input-focus-shadow: rgba(0, 230, 118, 0.12);
    --login-toggle-bg: rgba(250, 255, 252, 0.95);
    --login-toggle-border: rgba(0, 92, 62, 0.15);
    --login-toggle-text: #1a3329;
    --login-toggle-shadow: rgba(0, 92, 62, 0.08);
    --login-toggle-hover-bg: rgba(240, 250, 245, 1);
    --login-toggle-hover-shadow: rgba(0, 92, 62, 0.15);
    --login-social-bg: rgba(255, 255, 255, 0.65);
    --login-social-border: rgba(0, 92, 62, 0.12);
    --login-social-text: #1a3329;
    --login-social-hover-bg: rgba(255, 255, 255, 0.85);
    --login-social-hover-border: rgba(0, 92, 62, 0.2);
    --login-social-hover-shadow: rgba(0, 92, 62, 0.1);
    --login-checkbox-border: #7ab89a;
    --login-checkbox-label: #1a3329;
    --login-divider-line: linear-gradient(to right, transparent, #a8d5bc, transparent);
    --login-divider-bg: rgba(250, 255, 252, 0.95);
    --login-divider-text: #7ab89a;
    --login-logo-glow-bg: rgba(0, 230, 118, 0.15);
    --login-logo-glow-border: rgba(0, 92, 62, 0.2);
    --login-logo-glow-inset: rgba(255, 255, 255, 0.8);
    --login-logo-icon: var(--login-primary);
    --login-logo-icon-shadow: rgba(0, 92, 62, 0.2);
}

/* ============================================
   MODO OSCURO
   ============================================ */

.dark-mode {
    --login-bg-gradient: linear-gradient(135deg, #0a1a12 0%, #0f2a1c 50%, #071510 100%);
    --login-float-1: rgba(0, 92, 62, 0.2);
    --login-float-2: rgba(0, 230, 118, 0.08);
    --login-card-bg: rgba(15, 30, 22, 0.95);
    --login-card-border: rgba(0, 230, 118, 0.1);
    --login-card-shadow: rgba(0, 0, 0, 0.4);
    --login-card-shadow-hover: rgba(0, 0, 0, 0.6);
    --login-text-title: #ffffff;
    --login-text-subtitle: rgba(0, 230, 118, 0.85);
    --login-text-body: #c8e6d5;
    --login-text-label: #7ab89a;
    --login-text-footer: rgba(200, 230, 213, 0.7);
    --login-input-bg: rgba(20, 40, 30, 0.8);
    --login-input-bg-focus: rgba(10, 25, 18, 0.95);
    --login-input-border: rgba(0, 230, 118, 0.15);
    --login-input-text: #e0f5ea;
    --login-input-icon: #7ab89a;
    --login-input-focus-shadow: rgba(0, 230, 118, 0.1);
    --login-toggle-bg: rgba(15, 30, 22, 0.95);
    --login-toggle-border: rgba(0, 230, 118, 0.2);
    --login-toggle-text: #c8e6d5;
    --login-toggle-shadow: rgba(0, 0, 0, 0.3);
    --login-toggle-hover-bg: rgba(20, 40, 30, 0.95);
    --login-toggle-hover-shadow: rgba(0, 0, 0, 0.4);
    --login-social-bg: rgba(20, 40, 30, 0.7);
    --login-social-border: rgba(0, 230, 118, 0.15);
    --login-social-text: #c8e6d5;
    --login-social-hover-bg: rgba(25, 50, 37, 0.9);
    --login-social-hover-border: rgba(0, 230, 118, 0.3);
    --login-social-hover-shadow: rgba(0, 0, 0, 0.3);
    --login-checkbox-border: rgba(0, 230, 118, 0.3);
    --login-checkbox-label: #c8e6d5;
    --login-divider-line: linear-gradient(to right, transparent, rgba(0, 230, 118, 0.2), transparent);
    --login-divider-bg: rgba(15, 30, 22, 0.95);
    --login-divider-text: #7ab89a;
    --login-logo-glow-bg: rgba(0, 230, 118, 0.12);
    --login-logo-glow-border: rgba(0, 230, 118, 0.25);
    --login-logo-glow-inset: rgba(0, 230, 118, 0.15);
    --login-logo-icon: #00E676;
    --login-logo-icon-shadow: rgba(0, 230, 118, 0.3);
}

/* ============================================
   BODY / FONDO
   ============================================ */

body.login-body {
    margin: 0;
    padding: 2rem;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--login-bg-gradient) !important;
    position: relative;
    overflow-x: hidden;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    box-sizing: border-box;
}

body.login-body.dark-mode {
    background: linear-gradient(135deg, #0a1a12 0%, #0f2a1c 50%, #071510 100%) !important;
}

body.login-body::before,
body.login-body::after {
    content: '';
    position: fixed;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.2;
    animation: float 20s ease-in-out infinite;
    pointer-events: none;
    z-index: 0;
}

body.login-body::before {
    width: 500px;
    height: 500px;
    background: var(--login-float-1);
    top: -250px;
    left: -250px;
}

body.login-body::after {
    width: 400px;
    height: 400px;
    background: var(--login-float-2);
    bottom: -200px;
    right: -200px;
    animation-delay: 10s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33%       { transform: translate(30px, -30px) scale(1.1); }
    66%       { transform: translate(-20px, 20px) scale(0.9); }
}

/* ============================================
   BOTÓN TOGGLE TEMA
   ============================================ */

.btn-theme-toggle-login {
    position: fixed;
    top: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--login-toggle-bg);
    border: 2px solid var(--login-toggle-border);
    border-radius: 12px;
    color: var(--login-toggle-text);
    font-size: 1.2rem;
    cursor: pointer;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px var(--login-toggle-shadow);
    backdrop-filter: blur(10px);
}

.btn-theme-toggle-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--login-toggle-hover-shadow);
    border-color: var(--login-secondary);
    color: var(--login-primary);
    background: var(--login-toggle-hover-bg);
}

/* ============================================
   CONTAINER / WRAPPER
   ============================================ */

.login-container {
    width: 100%;
    max-width: 460px;
    position: relative;
    z-index: 1;
}

.login-wrapper {
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(40px) scale(0.95); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* ============================================
   HEADER / LOGO / TITULO
   ============================================ */

.login-header {
    color: var(--login-text-title);
    margin-bottom: 2rem;
}

.login-logo {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: visible;
}

.logo-glow {
    position: absolute;
    width: 88px;
    height: 88px;
    border-radius: 20px;
    background: var(--login-logo-glow-bg);
    backdrop-filter: blur(20px);
    border: 2px solid var(--login-logo-glow-border);
    box-shadow:
        0 8px 32px var(--login-glow-shadow),
        inset 0 1px 0 var(--login-logo-glow-inset);
    animation: pulse 3s ease-in-out infinite;
    z-index: 0;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

@keyframes pulse {
    0%, 100% {
        box-shadow:
            0 8px 32px var(--login-glow-shadow),
            inset 0 1px 0 var(--login-logo-glow-inset),
            0 0 0 0 var(--login-glow-color);
    }
    50% {
        box-shadow:
            0 8px 32px var(--login-glow-shadow),
            inset 0 1px 0 var(--login-logo-glow-inset),
            0 0 0 16px rgba(0, 230, 118, 0);
    }
}

.login-logo-img {
    position: relative;
    z-index: 1;
    width: 56px;
    height: 56px;
    object-fit: contain;
    filter: drop-shadow(0 2px 6px rgba(0, 92, 62, 0.25));
    display: block;
}

.login-logo i {
    font-size: 2.5rem;
    color: var(--login-logo-icon);
    position: relative;
    z-index: 1;
    filter: drop-shadow(0 2px 4px var(--login-logo-icon-shadow));
}

.login-title {
    font-size: 2.2rem;
    font-weight: 700;
    margin: 0 0 0.25rem;
    color: var(--login-text-title);
    letter-spacing: -0.02em;
}

.login-subtitle {
    color: var(--login-text-subtitle);
    font-size: 0.95rem;
    font-weight: 400;
    margin: 0;
}

/* ============================================
   CARD LOGIN
   ============================================ */

.login-card {
    background: var(--login-card-bg);
    backdrop-filter: blur(20px) saturate(180%);
    border-radius: 24px;
    padding: 2.5rem;
    box-shadow:
        0 20px 60px var(--login-card-shadow),
        0 0 0 1px var(--login-card-border) inset;
    border: 1px solid var(--login-card-border);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    color: var(--login-text-body);
}

.login-card:hover {
    transform: translateY(-2px);
    box-shadow:
        0 25px 70px var(--login-card-shadow-hover),
        0 0 0 1px var(--login-card-border) inset;
}

/* ============================================
   INPUTS
   ============================================ */

.form-floating-modern { position: relative; }

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

.input-icon {
    position: absolute;
    left: 1rem;
    color: var(--login-input-icon);
    font-size: 1rem;
    z-index: 2;
    transition: all 0.3s ease;
    pointer-events: none;
    opacity: 0.7;
}

.form-control-modern {
    width: 100%;
    padding: 0.9rem 1rem 0.9rem 3rem;
    font-size: 1rem;
    border: 2px solid var(--login-input-border);
    border-radius: 12px;
    background: var(--login-input-bg);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    outline: none;
    color: var(--login-input-text);
}

.form-control-modern:focus {
    border-color: var(--login-primary);
    background: var(--login-input-bg-focus);
    box-shadow: 0 0 0 4px var(--login-input-focus-shadow);
    transform: translateY(-1px);
    color: var(--login-input-text);
}

.form-control-modern:focus ~ .input-icon,
.form-control-modern:not(:placeholder-shown) ~ .input-icon {
    color: var(--login-secondary);
    transform: scale(1.1);
    opacity: 1;
}

.form-control-modern:focus ~ .floating-label,
.form-control-modern:not(:placeholder-shown) ~ .floating-label {
    transform: translateY(-2rem) translateX(-0.5rem) scale(0.82);
    color: var(--login-primary);
    font-weight: 600;
}

.floating-label {
    position: absolute;
    left: 3rem;
    top: 0.9rem;
    color: var(--login-text-label);
    font-size: 1rem;
    pointer-events: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: transparent;
    padding: 0 0.25rem;
}

.input-line {
    position: absolute;
    bottom: 0;
    left: 3rem;
    right: 3rem;
    height: 2px;
    background: var(--login-secondary);
    transform: scaleX(0);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 2px;
}

.form-control-modern:focus ~ .input-line { transform: scaleX(1); }

.btn-toggle-password {
    position: absolute;
    right: 0.75rem;
    background: none;
    border: none;
    color: var(--login-input-icon);
    font-size: 1rem;
    cursor: pointer;
    padding: 0.4rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    z-index: 2;
}

.btn-toggle-password:hover {
    color: var(--login-primary);
    background: rgba(0, 92, 62, 0.08);
}

/* ============================================
   CHECKBOX / FORGOT PASSWORD
   ============================================ */

.form-check-input {
    width: 1.2rem;
    height: 1.2rem;
    border: 2px solid var(--login-checkbox-border);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.form-check-input:checked {
    background-color: var(--login-primary);
    border-color: var(--login-primary);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3e%3cpath fill='none' stroke='%23fff' stroke-linecap='round' stroke-linejoin='round' stroke-width='3' d='M6 10l3 3l6-6'/%3e%3c/svg%3e");
}

.form-check-label {
    color: var(--login-checkbox-label);
    font-size: 0.9rem;
    cursor: pointer;
    user-select: none;
}

.forgot-password {
    color: var(--login-primary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
    text-decoration: none;
    white-space: nowrap;
}

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

/* ============================================
   BOTÓN LOGIN
   ============================================ */

.btn-login-modern {
    position: relative;
    padding: 0.9rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    color: white;
    background: linear-gradient(135deg, var(--login-primary) 0%, #007a52 50%, var(--login-secondary) 100%);
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px var(--login-btn-shadow);
    overflow: hidden;
}

.btn-login-modern:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--login-btn-shadow-hover);
    background: linear-gradient(135deg, #004530 0%, #005C3E 50%, #00c853 100%);
    color: white;
}

.btn-login-modern:active { transform: translateY(0); }
.btn-text { position: relative; z-index: 1; }

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

.btn-login-modern.loading .btn-text  { opacity: 0; }
.btn-login-modern.loading .btn-loader { display: block; }

@keyframes spin {
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* ============================================
   DIVIDER
   ============================================ */

.divider {
    position: relative;
    text-align: center;
    margin: 1.5rem 0;
}

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

.divider span {
    background: var(--login-divider-bg);
    padding: 0 1.25rem;
    color: var(--login-divider-text);
    font-size: 0.85rem;
    position: relative;
    z-index: 1;
    font-weight: 500;
}

/* ============================================
   BOTONES SOCIALES
   ============================================ */

.btn-social {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.75rem 1rem;
    font-weight: 500;
    font-size: 0.9rem;
    border: 2px solid var(--login-social-border);
    border-radius: 12px;
    background: var(--login-social-bg);
    color: var(--login-social-text);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.btn-social::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 230, 118, 0.15), transparent);
    transition: left 0.5s;
}

.btn-social:hover::before { left: 100%; }

.btn-social:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--login-social-hover-shadow);
    border-color: var(--login-social-hover-border);
    background: var(--login-social-hover-bg);
}

.btn-social i { font-size: 1.1rem; }
.btn-google:hover    { border-color: #ea4335; color: #ea4335; }
.btn-microsoft:hover { border-color: #0078d4; color: #0078d4; }

/* ============================================
   FOOTER LOGIN
   ============================================ */

.login-footer { margin-top: 1.5rem; }

.login-footer p {
    color: var(--login-text-footer);
    font-size: 0.9rem;
}

.login-footer a {
    color: var(--login-primary);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
}

.login-footer a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--login-secondary);
    transition: width 0.3s ease;
}

.login-footer a:hover::after { width: 100%; }

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 576px) {
    body.login-body {
        padding: 1rem;
        align-items: flex-start;
        padding-top: 2rem;
    }

    .btn-theme-toggle-login {
        top: 1rem;
        right: 1rem;
        width: 42px;
        height: 42px;
        font-size: 1rem;
    }

    .login-card {
        padding: 2rem 1.25rem;
        border-radius: 20px;
    }

    .login-title      { font-size: 1.8rem; }
    .floating-label   { left: 2.75rem; }
    .input-icon       { left: 0.85rem; }

    .form-control-modern {
        padding: 0.85rem 0.85rem 0.85rem 2.75rem;
    }
}

/* ============================================
   ANIMACIONES DE ENTRADA
   ============================================ */

.login-card > * {
    animation: fadeIn 0.6s ease-out backwards;
}

.login-card > *:nth-child(1) { animation-delay: 0.1s; }
.login-card > *:nth-child(2) { animation-delay: 0.2s; }
.login-card > *:nth-child(3) { animation-delay: 0.3s; }
.login-card > *:nth-child(4) { animation-delay: 0.4s; }
.login-card > *:nth-child(5) { animation-delay: 0.5s; }

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

/* ============================================
   ALERTAS DEL FORMULARIO DE LOGIN
   Mostradas por login.js al intentar acceder
   ============================================ */

.alert-login {
    display: flex;
    align-items: center;
    padding: 0.85rem 1.25rem;
    border-radius: 12px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 1rem;
    animation: fadeIn 0.3s ease;
}

.alert-login-error {
    background-color: rgba(220, 53, 69, 0.12);
    border: 1px solid #dc3545;
    color: #dc3545;
}

.alert-login-success {
    background-color: rgba(0, 230, 118, 0.12);
    border: 1px solid #00E676;
    color: #005C3E;
}

.dark-mode .alert-login-success {
    color: #00E676;
}