/*
   LOGIN STYLES - Tracking v2.0 (Redesigned)
   Requiere: variables.css cargado previamente
 */

body.dark-theme {
    --bg-primary: var(--dark-bg-primary);
    --bg-secondary: var(--dark-bg-secondary);
    --text-primary: var(--dark-text-primary);
    --text-secondary: var(--dark-text-secondary);
    --border-color: var(--dark-border);
    --hover-color: var(--dark-hover);
    --shadow: var(--dark-shadow);
    --input-border: var(--dark-input-border);
    --input-focus: var(--dark-input-focus);
    --card-shadow: var(--card-shadow-dark);
}

/* RESET */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

/* PAGE */
body {
    /* Variables de tema claro (por defecto) */
    --bg-primary: var(--light-bg-primary);
    --bg-secondary: var(--light-bg-secondary);
    --text-primary: var(--light-text-primary);
    --text-secondary: var(--light-text-secondary);
    --border-color: var(--light-border);
    --hover-color: var(--light-hover);
    --shadow: var(--light-shadow);
    --input-border: var(--light-input-border);
    --input-focus: var(--light-input-focus);
    --card-shadow: var(--card-shadow-light);
    /* Layout */
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    color: var(--text-primary);
}

/* LAYOUT SHELL */
.login-shell {
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

.login-content {
    flex: 1;
    overflow-y: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    background: var(--bg-primary);
}

/* CONTAINER */
.login-container {
    width: 100%;
    max-width: 500px;
}

/* CARD */
.login-card {
    width: 100%;
    background: var(--bg-secondary);
    border-radius: var(--border-radius-xl);
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.5);
    overflow: hidden;
}

/* HERO IMAGE */
.login-hero {
    position: relative;
    height: 230px;
    background: url('/assets/img/fondo_login.png') center 35% / cover no-repeat;
}

/* Onda verde en la base del hero */
.hero-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    height: 30px;
    display: block;
}

/* CARD BODY */
.login-body {
    background: var(--bg-secondary);
    padding: 1.5rem 2rem 2rem;
}

/* Branding */
.login-brand {
    text-align: center;
    margin-bottom: 1.5rem;
}

.login-brand-title {
    display: block;
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.3rem;
}

.login-brand-sub {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.login-brand-sub svg {
    width: 15px;
    height: 15px;
    stroke: var(--green-primary);
    fill: none;
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.brand-version { font-weight: 500; color: var(--text-secondary); }

/* STEPS */
.step { display: none; }
.step.active { display: block; animation: fadeIn 0.3s ease; }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

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

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.4rem;
}

.form-input {
    width: 100%;
    padding: 0.65rem 1.1rem;
    border: 1px solid var(--input-border);
    border-radius: var(--border-radius-md);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: var(--font-size-base);
    font-family: var(--font-primary);
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-input:focus {
    border-color: var(--green-primary);
    box-shadow: 0 0 0 3px rgba(0, 166, 81, 0.12);
}

.form-input::placeholder { color: var(--text-secondary); }
.form-input:disabled { opacity: 0.6; cursor: not-allowed; }

/* BOTONES */
.btn {
    width: auto;
    min-width: 160px;
    padding: 0.7rem 1.5rem;
    border: none;
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-base);
    font-weight: 500;
    font-family: var(--font-primary);
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    outline: none;
    margin-bottom: 0.6rem;
}

#stepRequestOTP .btn {
    width: 50%;
    margin: 0 auto 0.6rem;
    display: block;
}

.form-actions {
    display: flex;
    gap: 0.8rem;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    margin-top: 0.6rem;
}

.form-actions .btn,
.form-actions .btn-link {
    width: auto;
    flex: 1;
    max-width: 240px;
}

.btn:disabled { opacity: 0.6; cursor: not-allowed; }

.btn-primary { background: var(--green-primary); color: #fff; }
.btn-primary:hover:not(:disabled) {
    background: var(--green-hover);
    box-shadow: 0 4px 14px rgba(0, 166, 81, 0.3);
}

.btn-link {
    width: 100%;
    background: none;
    border: none;
    color: var(--green-primary);
    font-size: var(--font-size-sm);
    font-family: var(--font-primary);
    cursor: pointer;
    text-align: center;
    padding: 0.2rem;
    display: block;
    text-decoration: none;
}
.btn-link:hover { text-decoration: underline; }

/* ALERTAS */
.alert {
    padding: 0.6rem 1rem;
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-sm);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
}

.alert-error   { background: rgba(220,38,38,0.1);  color: var(--status-error);   border: 1px solid rgba(220,38,38,0.2); }
.alert-success { background: rgba(22,163,74,0.1);   color: var(--status-success); border: 1px solid rgba(22,163,74,0.2); }
.alert-info    { background: var(--green-bg-soft);  color: var(--green-darker);   border: 1px solid rgba(0,166,81,0.2); }
.alert-warning { background: rgba(253,126,20,0.1);  color: var(--status-warning); border: 1px solid rgba(253,126,20,0.2); }

/* SPINNER */
.spinner {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* PASO 2: INFO ROW */
.otp-info-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.otp-info-label {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    margin-bottom: 0.3rem;
}

.otp-info-sent .otp-info-value {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--text-primary);
}

.otp-info-timer { text-align: right; }

.timer-badge {
    display: inline-block;
    background: var(--green-bg-soft);
    color: var(--green-darker);
    font-size: var(--font-size-sm);
    font-weight: 600;
    padding: 0.35rem 0.9rem;
    border-radius: var(--border-radius-full);
    white-space: nowrap;
    font-variant-numeric: tabular-nums;
}

/* CAJAS OTP */
.otp-boxes-group {
    margin-bottom: 1.25rem;
}

.otp-boxes-group .form-label {
    text-align: center;
    margin-bottom: 0.75rem;
}

.otp-boxes {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
}

.otp-digit {
    width: 44px;
    height: 52px;
    border: 1.5px solid var(--input-border);
    border-radius: var(--border-radius-md);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 1.3rem;
    font-weight: 600;
    font-family: var(--font-primary);
    text-align: center;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
    caret-color: var(--green-primary);
}

.otp-digit:focus {
    border-color: var(--green-primary);
    box-shadow: 0 0 0 3px rgba(0, 166, 81, 0.12);
}

/* DARK THEME */
body.dark-theme .timer-badge {
    background: rgba(0, 166, 81, 0.18);
    color: var(--green-primary);
}

/* HELPERS */
.hidden { display: none !important; }
.text-center { text-align: center; }

/* RESPONSIVE */
@media (max-width: 480px) {
    .login-body { padding: 1.25rem 1.25rem 1.5rem; }
    .otp-digit  { width: 38px; height: 46px; font-size: 1.1rem; }
    .otp-boxes  { gap: 0.35rem; }
}