/* ========================================
   SemiDAM UI Futurista - Estilos globales
   ======================================== */

:root {
    --bg-0: #040714;
    --bg-1: #0b1230;
    --bg-2: #121b45;
    --surface: rgba(10, 17, 43, 0.72);
    --surface-strong: rgba(17, 26, 61, 0.92);
    --border: rgba(116, 140, 255, 0.33);
    --border-soft: rgba(148, 163, 255, 0.2);
    --text: #e8edff;
    --text-muted: #aeb9e9;
    --accent: #7c8cff;
    --accent-strong: #5f6dff;
    --success: #1fd284;
    --warning: #ff9f43;
    --danger: #ff5c7f;
    --chip-task-bg: rgba(80, 183, 255, 0.22);
    --chip-task-text: #b9ebff;
    --chip-exam-bg: rgba(255, 99, 132, 0.22);
    --chip-exam-text: #ffd3dd;
    --shadow-sm: 0 8px 24px -18px rgba(5, 10, 28, 0.95);
    --shadow-md: 0 20px 40px -28px rgba(7, 12, 36, 0.95);
    --shadow-lg: 0 28px 60px -30px rgba(0, 0, 0, 0.95);
    --ring: 0 0 0 3px rgba(124, 140, 255, 0.38);
}

[data-theme="light"] {
    --bg-0: #f6f8ff;
    --bg-1: #eef2ff;
    --bg-2: #e9efff;
    --surface: rgba(255, 255, 255, 0.9);
    --surface-strong: rgba(255, 255, 255, 0.97);
    --border: rgba(147, 164, 238, 0.35);
    --border-soft: rgba(147, 164, 238, 0.22);
    --text: #1c2547;
    --text-muted: #5b6796;
    --accent: #5868e8;
    --accent-strong: #4756d8;
    --success: #17a06d;
    --warning: #d2842f;
    --danger: #d94d6f;
    --chip-task-bg: rgba(111, 205, 255, 0.26);
    --chip-task-text: #245677;
    --chip-exam-bg: rgba(255, 137, 167, 0.24);
    --chip-exam-text: #7a2840;
    --shadow-sm: 0 8px 22px -16px rgba(53, 77, 157, 0.22);
    --shadow-md: 0 18px 38px -24px rgba(53, 77, 157, 0.22);
    --shadow-lg: 0 22px 44px -26px rgba(53, 77, 157, 0.22);
    --ring: 0 0 0 3px rgba(88, 104, 232, 0.24);
}

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

html,
body {
    min-height: 100%;
}

body {
    font-family: Inter, 'Segoe UI', Roboto, Arial, sans-serif;
    line-height: 1.45;
    color: var(--text);
    background:
        radial-gradient(circle at 12% 15%, rgba(98, 124, 255, 0.2), transparent 38%),
        radial-gradient(circle at 92% 5%, rgba(41, 214, 255, 0.13), transparent 30%),
        radial-gradient(circle at 85% 85%, rgba(124, 140, 255, 0.14), transparent 36%),
        linear-gradient(145deg, var(--bg-0), var(--bg-1) 46%, var(--bg-2));
}

    [data-theme="light"] body {
        background:
        radial-gradient(circle at 10% 15%, rgba(145, 164, 255, 0.22), transparent 40%),
        radial-gradient(circle at 90% 5%, rgba(115, 223, 255, 0.18), transparent 35%),
        linear-gradient(140deg, #ffffff, #f5f8ff 52%, #eef3ff);
    }

.min-h-screen {
    min-height: 100vh;
}

.app-shell {
    position: relative;
    overflow-x: hidden;
}

.app-shell::before,
.app-shell::after {
    content: '';
    position: fixed;
    width: 38rem;
    height: 38rem;
    border-radius: 50%;
    pointer-events: none;
    z-index: -1;
}

.app-shell::before {
    top: -16rem;
    left: -14rem;
    background: radial-gradient(circle, rgba(115, 132, 255, 0.22) 0%, transparent 70%);
    animation: ambientMove 14s ease-in-out infinite;
}

.app-shell::after {
    bottom: -18rem;
    right: -14rem;
    background: radial-gradient(circle, rgba(36, 201, 255, 0.18) 0%, transparent 70%);
    animation: ambientMove 16s ease-in-out infinite reverse;
}

.app-container {
    padding: 1rem 0.75rem 1.8rem;
}

.max-w-6xl {
    max-width: 72rem;
}

.max-w-md {
    max-width: 30rem;
}

.mx-auto {
    margin-left: auto;
    margin-right: auto;
}

.mx-4 {
    margin-left: 1rem;
    margin-right: 1rem;
}

/* ===== Tipografía y colores ===== */
.text-white { color: #fff; }
.text-gray-400 { color: #9aa4d4; }
.text-gray-500 { color: #a6b1db; }
.text-gray-600 { color: #b5c0ea; }
.text-gray-700 { color: #c4ccf1; }
.text-gray-800 { color: #edf1ff; }
.text-indigo-600 { color: #97a5ff; }
.text-indigo-700 { color: #c0c9ff; }
.text-green-600 { color: #42f2a6; }
.text-green-700 { color: #8dffca; }
.text-green-800 { color: #d0ffe8; }
.text-blue-500 { color: #5cc9ff; }
.text-blue-700 { color: #8de5ff; }
.text-red-500 { color: #ff7f9b; }
.text-red-700 { color: #ffb7c8; }
.text-amber-500 { color: #ffb86b; }
.text-amber-700 { color: #ffd39d; }
.text-orange-600 { color: #ffae66; }

.text-xs { font-size: 0.74rem; }
.text-sm { font-size: 0.86rem; }
.text-base { font-size: 1rem; }
.text-lg { font-size: 1.08rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.48rem; }
.text-3xl { font-size: clamp(1.6rem, 2vw, 2rem); }

.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.italic { font-style: italic; }

.text-center { text-align: center; }
.text-left { text-align: left; }

/* ===== Espaciados ===== */
.p-2 { padding: 0.5rem; }
.p-3 { padding: 0.75rem; }
.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }

.px-1 { padding-left: 0.25rem; padding-right: 0.25rem; }
.px-2 { padding-left: 0.5rem; padding-right: 0.5rem; }
.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }

.py-0\.5 { padding-top: 0.12rem; padding-bottom: 0.12rem; }
.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }

.pt-4 { padding-top: 1rem; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-6 { margin-top: 1.5rem; }

.ml-2 { margin-left: 0.5rem; }
.ml-4 { margin-left: 1rem; }

.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }

.space-y-1 > * + * { margin-top: 0.25rem; }
.space-y-4 > * + * { margin-top: 1rem; }

/* ===== Display / Layout ===== */
.block { display: block; }
.hidden { display: none; }
.inline { display: inline; }
.flex { display: flex; }
.grid { display: grid; }

.flex-col { flex-direction: column; }
.flex-row { flex-direction: row; }
.flex-wrap { flex-wrap: wrap; }

.items-center { align-items: center; }
.items-start { align-items: flex-start; }

.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.justify-start { justify-content: flex-start; }

.flex-1 { flex: 1 1 0%; }
.flex-shrink-0 { flex-shrink: 0; }

.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-7 { grid-template-columns: repeat(7, minmax(0, 1fr)); }

.w-full { width: 100%; }
.w-4 { width: 1rem; }
.w-16 { width: 4rem; }
.h-4 { height: 1rem; }
.h-16 { height: 4rem; }

.min-w-0 { min-width: 0; }
.min-h-\[60px\] { min-height: 78px; }
.min-h-\[80px\] { min-height: 132px; }

.rounded { border-radius: 0.35rem; }
.rounded-lg { border-radius: 0.8rem; }
.rounded-xl { border-radius: 1rem; }
.rounded-full { border-radius: 999px; }

.border { border: 1px solid var(--border-soft); }
.border-t { border-top: 1px solid var(--border-soft); }
.border-l-4 { border-left-width: 4px; border-left-style: solid; }
.border-gray-200 { border-color: rgba(160, 173, 230, 0.35); }
.border-gray-300 { border-color: rgba(160, 173, 230, 0.5); }
.border-indigo-300 { border-color: rgba(150, 165, 255, 0.65); }
.border-blue-300 { border-color: rgba(88, 202, 255, 0.7); }
.border-red-300 { border-color: rgba(255, 126, 160, 0.7); }
.border-green-400 { border-color: rgba(31, 210, 132, 0.8); }

.shadow-md { box-shadow: var(--shadow-sm); }
.shadow-lg { box-shadow: var(--shadow-md); }
.shadow-2xl { box-shadow: var(--shadow-lg); }

.hover\:shadow-md:hover { box-shadow: var(--shadow-sm); }
.hover\:shadow-lg:hover { box-shadow: var(--shadow-md); }
.hover\:shadow-xl:hover { box-shadow: var(--shadow-lg); }

.opacity-50 { opacity: 0.5; }
.opacity-70 { opacity: 0.7; }

.truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.break-words {
    overflow-wrap: anywhere;
    word-break: break-word;
}

/* ===== Posicionamiento ===== */
.fixed { position: fixed; }
.relative { position: relative; }
.absolute { position: absolute; }

.inset-0 {
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
}

.top-4 { top: 1rem; }
.right-4 { right: 1rem; }
.z-50 { z-index: 50; }

/* ===== Fondos / tema ===== */
.bg-black { background-color: #000; }
.bg-opacity-50 { background-color: rgba(4, 7, 20, 0.72); }

.bg-white {
    background: linear-gradient(155deg, rgba(19, 29, 66, 0.95), rgba(13, 21, 52, 0.92));
    border: 1px solid var(--border);
    backdrop-filter: blur(8px);
}

.bg-gradient-to-br,
.from-blue-50,
.to-indigo-100 {
    background: transparent;
}

.bg-indigo-50 { background-color: rgba(130, 147, 255, 0.18); }
.bg-indigo-100 { background-color: rgba(130, 147, 255, 0.24); }
.bg-indigo-600 {
    background: linear-gradient(140deg, #6d7cff, #5a69ff);
    color: #fff;
}

.bg-blue-100 { background-color: var(--chip-task-bg); }
.bg-blue-500,
.bg-blue-600 { background: linear-gradient(140deg, #4ea5ff, #2ec7ff); color: #fff; }

.bg-red-100 { background-color: var(--chip-exam-bg); }
.bg-red-500 { background: linear-gradient(145deg, #ff6c98, #ff5379); color: #fff; }

.bg-green-50 { background-color: rgba(31, 210, 132, 0.13); }
.bg-green-100 { background-color: rgba(31, 210, 132, 0.24); }
.bg-green-500,
.bg-green-600 { background: linear-gradient(140deg, #1fd284, #0fb56f); color: #fff; }

.bg-amber-500 { background: linear-gradient(145deg, #ffae49, #ff9440); color: #fff; }

.bg-gray-100 {
    background-color: rgba(154, 170, 235, 0.14);
    color: var(--text);
    border-color: rgba(162, 178, 240, 0.32);
}

.bg-gray-200 {
    background-color: rgba(172, 186, 244, 0.2);
    color: var(--text);
}

/* ===== Hovers ===== */
.hover\:bg-indigo-200:hover { background-color: rgba(140, 156, 255, 0.33); }
.hover\:bg-indigo-700:hover { background: linear-gradient(145deg, #5867ff, #4959f7); }
.hover\:bg-green-700:hover { background: linear-gradient(145deg, #19c17a, #0fa567); }
.hover\:bg-gray-200:hover { background-color: rgba(172, 186, 244, 0.24); }
.hover\:bg-gray-300:hover { background-color: rgba(187, 199, 247, 0.28); }

.hover\:text-indigo-600:hover { color: #adb8ff; }
.hover\:text-indigo-700:hover { color: #c9d2ff; }
.hover\:text-green-700:hover { color: #b8ffd8; }
.hover\:text-blue-700:hover { color: #a6ebff; }
.hover\:text-red-700:hover { color: #ffd0db; }
.hover\:text-amber-700:hover { color: #ffe0bb; }
.hover\:text-gray-600:hover { color: #d6ddff; }

/* ===== Componentes principales ===== */
.card {
    border-radius: 1.15rem;
    border: 1px solid var(--border);
    background: linear-gradient(160deg, rgba(14, 22, 56, 0.88), rgba(10, 17, 44, 0.78));
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(10px);
    padding: 1rem;
    animation: cardIn 0.35s ease both;
}

.app-header {
    position: relative;
    overflow: hidden;
    margin-bottom: 1.2rem;
}

.app-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(110deg, rgba(124, 140, 255, 0.18), rgba(43, 215, 255, 0.08), transparent 60%);
    pointer-events: none;
}

.app-header > * {
    position: relative;
    z-index: 1;
}

.brand-title {
    font-size: clamp(1.3rem, 2vw, 2rem);
    letter-spacing: -0.02em;
    text-shadow: 0 0 18px rgba(124, 140, 255, 0.35);
}

.brand-subtitle {
    margin-top: 0.25rem;
    color: var(--text-muted);
}

.section-title {
    font-size: 1.1rem;
    margin-bottom: 0.9rem;
}

.toolbar,
.form-card {
    margin-bottom: 1.2rem;
}

.toolbar-inner {
    display: flex;
    flex-direction: column;
    gap: 0.95rem;
}

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

.divider {
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(142, 157, 233, 0.6), transparent);
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.95rem;
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.form-label,
label {
    color: var(--text-muted);
    font-size: 0.83rem;
    font-weight: 600;
}

.input,
input[type="text"],
input[type="date"],
select {
    width: 100%;
    border-radius: 0.82rem;
    border: 1px solid rgba(156, 173, 240, 0.45);
    background: rgba(6, 12, 33, 0.7);
    color: var(--text);
    padding: 0.72rem 0.86rem;
    font-size: 0.9rem;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

input::placeholder {
    color: #98a6dd;
}

.input:focus,
input[type="text"]:focus,
input[type="date"]:focus,
select:focus,
.focus\:ring-2:focus,
.focus\:ring-indigo-500:focus {
    outline: none;
    border-color: rgba(124, 140, 255, 0.85);
    box-shadow: var(--ring);
}

.focus\:border-transparent:focus {
    border-color: rgba(124, 140, 255, 0.85);
}

button {
    border: 1px solid transparent;
    cursor: pointer;
    color: inherit;
}

.btn,
.filtro-btn,
.vista-btn,
button[type="submit"],
#btn-nueva-tarea,
#btn-sincronizar,
#btn-cancelar {
    border-radius: 0.85rem;
    padding: 0.62rem 1rem;
    font-weight: 600;
    transition: transform 0.18s ease, filter 0.18s ease, box-shadow 0.22s ease, background-color 0.2s ease;
    box-shadow: var(--shadow-sm);
}

.btn-theme {
    background: rgba(145, 164, 255, 0.2);
    border: 1px solid rgba(158, 176, 255, 0.45);
    color: #f4f6ff;
}

.btn-theme:hover {
    background: rgba(158, 176, 255, 0.3);
}

[data-theme="light"] .btn-theme {
    background: rgba(106, 127, 230, 0.12);
    color: #33407d;
    border-color: rgba(106, 127, 230, 0.28);
}

[data-theme="light"] .btn-theme:hover {
    background: rgba(106, 127, 230, 0.2);
}

.btn:hover,
.filtro-btn:hover,
.vista-btn:hover,
button[type="submit"]:hover,
#btn-nueva-tarea:hover,
#btn-sincronizar:hover,
#btn-cancelar:hover {
    transform: translateY(-1px);
    filter: brightness(1.06);
}

.btn:focus,
button:focus-visible {
    outline: none;
    box-shadow: var(--ring);
}

/* Botones principales de cabecera: alto contraste */
#btn-sincronizar {
    background: linear-gradient(145deg, #0fa567, #0b8c57);
    border: 1px solid rgba(103, 255, 188, 0.5);
    color: #ffffff;
    text-shadow: 0 1px 8px rgba(0, 0, 0, 0.35);
}

#btn-sincronizar:hover {
    background: linear-gradient(145deg, #11b06e, #0fa567);
}

#btn-nueva-tarea {
    background: linear-gradient(145deg, #4959f7, #3a49dc);
    border: 1px solid rgba(157, 173, 255, 0.52);
    color: #ffffff;
    text-shadow: 0 1px 8px rgba(0, 0, 0, 0.35);
}

#btn-nueva-tarea:hover {
    background: linear-gradient(145deg, #5362ff, #4555eb);
}

#btn-sincronizar span,
#btn-sincronizar i,
#btn-nueva-tarea span,
#btn-nueva-tarea i {
    color: #ffffff;
}

[data-theme="light"] #btn-sincronizar,
[data-theme="light"] #btn-nueva-tarea {
    box-shadow: 0 10px 24px -16px rgba(66, 86, 190, 0.38);
}

/* Garantía de visibilidad para textos responsive ocultos */
@media (min-width: 640px) {
    .hidden.sm\:inline {
        display: inline !important;
    }
}

@media (min-width: 480px) {
    .hidden.xs\:inline {
        display: inline !important;
    }
}

.action-btn {
    width: 2rem;
    height: 2rem;
    border-radius: 0.62rem;
    border: 1px solid rgba(154, 170, 235, 0.32);
    background: rgba(131, 146, 220, 0.12);
    color: #d6deff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.18s ease, background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.action-btn:hover {
    transform: translateY(-1px);
    background: rgba(151, 167, 243, 0.22);
    border-color: rgba(167, 183, 255, 0.55);
}

.action-btn i {
    stroke-width: 2.2;
}

.action-edit {
    color: #86dcff;
    border-color: rgba(92, 201, 255, 0.45);
    background: rgba(68, 177, 241, 0.17);
}

.action-edit:hover {
    color: #c4efff;
    background: rgba(80, 194, 255, 0.28);
}

.action-archive {
    color: #ffc98f;
    border-color: rgba(255, 184, 112, 0.46);
    background: rgba(255, 166, 75, 0.16);
}

.action-archive:hover {
    color: #ffe1be;
    background: rgba(255, 179, 96, 0.28);
}

.action-delete,
.action-logout {
    color: #ff9eb3;
    border-color: rgba(255, 120, 154, 0.5);
    background: rgba(255, 95, 132, 0.16);
}

.action-delete:hover,
.action-logout:hover {
    color: #ffd5df;
    background: rgba(255, 115, 149, 0.3);
}

.action-success {
    color: #83f3c1;
    border-color: rgba(58, 223, 148, 0.5);
    background: rgba(40, 194, 129, 0.16);
}

.action-success:hover {
    color: #c9ffe4;
    background: rgba(57, 221, 148, 0.28);
}

.action-pending {
    color: #bbc7ff;
    border-color: rgba(145, 164, 255, 0.45);
    background: rgba(114, 134, 239, 0.16);
}

.action-pending:hover {
    color: #edf1ff;
    background: rgba(127, 148, 255, 0.3);
}

.action-neutral {
    color: #c6cff6;
    border-color: rgba(152, 168, 230, 0.44);
    background: rgba(121, 136, 201, 0.16);
}

.action-neutral:hover {
    color: #edf1ff;
    background: rgba(149, 164, 229, 0.27);
}

.form-actions {
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
}

.transition-colors { transition: all 0.2s ease; }
.transition-all { transition: all 0.22s ease; }
.transition-opacity { transition: opacity 0.3s ease; }
.duration-300 { transition-duration: 300ms; }

.task-list > div,
#lista-tareas > div {
    border: 1px solid var(--border-soft);
    background: linear-gradient(155deg, rgba(18, 28, 66, 0.9), rgba(12, 21, 52, 0.84));
    box-shadow: var(--shadow-md);
}

[data-theme="light"] .card,
[data-theme="light"] .bg-white,
[data-theme="light"] #lista-tareas > div,
[data-theme="light"] .calendar-day,
[data-theme="light"] #modal-login .bg-white {
    background: linear-gradient(155deg, rgba(255, 255, 255, 0.95), rgba(242, 246, 255, 0.92));
    border-color: rgba(139, 158, 238, 0.3);
    color: #1c2547;
}

[data-theme="light"] .filtro-btn,
[data-theme="light"] .vista-btn,
[data-theme="light"] #btn-cancelar,
[data-theme="light"] button[type="submit"] {
    border-color: rgba(113, 132, 223, 0.36);
    box-shadow: 0 10px 22px -16px rgba(76, 97, 194, 0.28);
}

[data-theme="light"] .bg-gray-100 {
    background: rgba(224, 232, 255, 0.92);
    color: #34457a;
    border-color: rgba(120, 141, 226, 0.34);
}

[data-theme="light"] .hover\:bg-gray-200:hover,
[data-theme="light"] .bg-gray-200 {
    background: rgba(205, 218, 255, 0.95);
    color: #2b3d71;
}

[data-theme="light"] .bg-indigo-600 {
    background: linear-gradient(145deg, #4f63ea, #4053d6);
    color: #ffffff;
}

[data-theme="light"] .hover\:bg-indigo-700:hover {
    background: linear-gradient(145deg, #4559df, #384bc5);
}

[data-theme="light"] .brand-subtitle,
[data-theme="light"] .text-gray-600,
[data-theme="light"] .text-gray-700,
[data-theme="light"] .text-gray-500,
[data-theme="light"] .text-gray-400 {
    color: #5b6796;
}

[data-theme="light"] .text-gray-800 {
    color: #1d274d;
}

[data-theme="light"] .text-blue-700 {
    color: #215fa0;
}

[data-theme="light"] .text-red-700 {
    color: #9c2f47;
}

[data-theme="light"] .text-green-700 {
    color: #1f7e5a;
}

[data-theme="light"] .text-indigo-600 {
    color: #3e53c8;
}

[data-theme="light"] .input,
[data-theme="light"] input[type="text"],
[data-theme="light"] input[type="date"],
[data-theme="light"] select {
    background: #ffffff;
    color: #1f2c59;
    border-color: rgba(125, 144, 226, 0.42);
}

[data-theme="light"] input::placeholder {
    color: #8795c6;
}

[data-theme="light"] .calendar-weekday {
    color: #465a98;
    font-weight: 700;
}

[data-theme="light"] .calendar-empty-day {
    background: rgba(232, 238, 255, 0.62);
    border-color: rgba(133, 152, 231, 0.24);
}

[data-theme="light"] .calendar-event-chip {
    border-color: rgba(122, 142, 224, 0.45);
    background: rgba(234, 241, 255, 0.95);
}

[data-theme="light"] .calendar-day-number {
    color: #213667;
}

[data-theme="light"] .calendar-day .text-indigo-600 {
    color: #314bc6;
}

[data-theme="light"] .calendar-day .text-gray-700,
[data-theme="light"] .calendar-day .text-gray-600 {
    color: #2f447a;
}

[data-theme="light"] .calendar-more-events {
    color: #495f9d;
    opacity: 0.95;
}

[data-theme="light"] .action-btn {
    background: rgba(102, 123, 219, 0.12);
    color: #4a5894;
    border-color: rgba(129, 148, 230, 0.32);
}

[data-theme="light"] .action-btn:hover {
    background: rgba(102, 123, 219, 0.2);
}

.bg-green-50.border-l-4.border-green-400 {
    border-left-color: var(--success);
    background: linear-gradient(155deg, rgba(47, 65, 131, 0.94), rgba(30, 46, 98, 0.92))!important;
    border-color: rgba(95, 235, 180, 0.48)!important;
    box-shadow: 0 18px 40px -26px rgba(95, 235, 180, 0.48)!important;
}

.bg-green-50.border-l-4.border-green-400 .text-green-800 {
    color: #f1fff7;
}

.bg-green-50.border-l-4.border-green-400 .text-gray-600,
.bg-green-50.border-l-4.border-green-400 .text-gray-700 {
    color: #d8ffec;
}

/* ===== Calendario futurista ===== */
.calendar-panel {
    position: relative;
    overflow: hidden;
}

.calendar-panel::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(140deg, rgba(131, 147, 255, 0.08), transparent 36%, rgba(58, 212, 255, 0.06));
    pointer-events: none;
}

.calendar-grid {
    gap: 0.6rem;
}

.calendar-weekday {
    color: #b8c4f8;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.calendar-empty-day {
    border-radius: 0.9rem;
    background: rgba(9, 14, 37, 0.38);
    border: 1px dashed rgba(116, 140, 255, 0.18);
}

.calendar-day {
    border-radius: 0.95rem;
    border: 1px solid rgba(140, 157, 236, 0.3);
    background: linear-gradient(165deg, rgba(12, 19, 47, 0.92), rgba(9, 15, 38, 0.9));
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03), 0 16px 35px -28px rgba(0, 0, 0, 0.9);
    transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.2s ease;
}

.calendar-day:hover {
    transform: translateY(-2px);
    border-color: rgba(148, 163, 255, 0.58);
    box-shadow: 0 16px 34px -24px rgba(45, 62, 150, 0.65);
}

.calendar-day-number {
    font-size: 0.86rem;
    font-weight: 700;
}

.calendar-events {
    max-height: 100px;
    overflow: hidden;
}

.calendar-event-chip {
    border: 1px solid rgba(158, 177, 255, 0.24);
    border-radius: 0.55rem;
    padding: 0.18rem 0.35rem;
    font-size: 0.7rem;
    line-height: 1.15;
    backdrop-filter: blur(3px);
}

.calendar-more-events {
    color: #c3cdf5;
    opacity: 0.82;
    font-weight: 600;
}

/* ===== Modal login ===== */
#modal-login {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.2rem;
    backdrop-filter: blur(6px);
    animation: fadeIn 0.25s ease;
}

#modal-login .bg-white {
    width: min(100%, 460px);
    max-height: calc(100vh - 2.5rem);
    overflow-y: auto;
    border-radius: 1rem;
    box-shadow: var(--shadow-lg);
    animation: cardIn 0.3s ease;
}

#modal-login .bg-white::-webkit-scrollbar {
    width: 8px;
}

#modal-login .bg-white::-webkit-scrollbar-thumb {
    background: rgba(146, 162, 235, 0.45);
    border-radius: 10px;
}

.usuario-reciente {
    border: 1px solid rgba(151, 168, 242, 0.35);
    color: var(--text);
}

.loading {
    pointer-events: none;
    opacity: 0.72;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(199, 210, 255, 0.25);
    border-top-color: #9aa8ff;
    border-radius: 50%;
    animation: spin 0.95s linear infinite;
    transform: translate(-50%, -50%);
}

/* ===== Animaciones ===== */
@keyframes ambientMove {
    0%,
    100% { transform: translate3d(0, 0, 0) scale(1); }
    50% { transform: translate3d(10px, -8px, 0) scale(1.04); }
}

@keyframes cardIn {
    from {
        opacity: 0;
        transform: translateY(12px) scale(0.985);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes spin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

.animate-spin {
    animation: spin 1s linear infinite;
}

/* ===== Responsive ===== */
@media (min-width: 480px) {
    .xs\:inline { display: inline; }
    .xs\:hidden { display: none; }
}

@media (min-width: 640px) {
    .app-container { padding: 1.35rem 1.1rem 2.2rem; }

    .sm\:p-3 { padding: 0.75rem; }
    .sm\:p-4 { padding: 1rem; }
    .sm\:p-6 { padding: 1.5rem; }
    .sm\:p-12 { padding: 3rem; }

    .sm\:px-4 { padding-left: 1rem; padding-right: 1rem; }
    .sm\:py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
    .sm\:py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
    .sm\:py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }

    .sm\:gap-2 { gap: 0.5rem; }
    .sm\:gap-3 { gap: 0.75rem; }

    .sm\:mb-6 { margin-bottom: 1.5rem; }

    .sm\:text-sm { font-size: 0.86rem; }
    .sm\:text-base { font-size: 1rem; }
    .sm\:text-lg { font-size: 1.08rem; }
    .sm\:text-xl { font-size: 1.25rem; }
    .sm\:text-2xl { font-size: 1.48rem; }
    .sm\:text-3xl { font-size: clamp(1.6rem, 2vw, 2rem); }

    .sm\:flex-row { flex-direction: row; }
    .sm\:items-center { align-items: center; }
    .sm\:justify-between { justify-content: space-between; }
    .sm\:justify-end { justify-content: flex-end; }

    .sm\:inline { display: inline; }
    .sm\:hidden { display: none !important; }
    .sm\:text-left { text-align: left; }

    .sm\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .sm\:col-span-2 { grid-column: span 2 / span 2; }
    .sm\:flex-none { flex: none; }

    .sm\:min-h-\[80px\] { min-height: 132px; }

    .form-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .form-actions { flex-direction: row; }

    .calendar-events { max-height: 130px; }
    .calendar-event-chip {
        font-size: 0.72rem;
        padding: 0.2rem 0.4rem;
    }
}

@media (min-width: 768px) {
    .md\:col-span-1 { grid-column: span 1 / span 1; }
    .calendar-events { max-height: 146px; }
}

@media (max-width: 768px) {
    .max-w-6xl { padding-left: 0.3rem; padding-right: 0.3rem; }

    .toolbar-group,
    .flex.flex-wrap.gap-2 { width: 100%; }

    .filtro-btn,
    .vista-btn {
        justify-content: center;
        flex: 1 1 auto;
    }

    #modal-login .bg-white {
        width: min(100%, 96vw);
        padding: 1.3rem;
    }
}

@media (max-width: 640px) {
    h1 { font-size: 1.4rem !important; }
    h2 { font-size: 1.18rem !important; }

    button { min-height: 42px; }

    .calendar-grid {
        gap: 0.42rem;
    }

    .calendar-day {
        min-height: 94px;
    }

    .calendar-events {
        max-height: 76px;
    }

    .calendar-event-chip {
        font-size: 0.66rem;
        line-height: 1.08;
    }
}

@media (max-width: 480px) {
    .xs\:hidden { display: none !important; }
    .xs\:inline { display: inline !important; }
}

/* ===== Accesibilidad / impresión ===== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

@media print {
    .card,
    .bg-white,
    .calendar-day {
        box-shadow: none !important;
        background: #fff !important;
        color: #111 !important;
        border-color: #ccc !important;
    }

    button,
    #modal-login {
        display: none !important;
    }
}